ci(github): fix broken ci.yaml workflow job of ethereum connector

The problem seems to have been that the yarn cache restore operation
was somehow reverted to the old way of doing it which at this point
have been deprecated and broken by upgrades performed by GitHub in the
meantime.

I've updated the job definition yaml to declare the cache restore operation
the same way all the other jobs are doing it so that it doesn't crash while
attempting to restore the yarn dependency cache prior to a build+test job.

The logs of the failing job looked like this which provided the clue to
what the issue might be:

```sh
2024-05-29T18:14:26.2450767Z Current runner version: '2.316.1'
2024-05-29T18:14:26.2479056Z ##[group]Operating System
2024-05-29T18:14:26.2479698Z Ubuntu
2024-05-29T18:14:26.2480035Z 22.04.4
2024-05-29T18:14:26.2480413Z LTS
2024-05-29T18:14:26.2480746Z ##[endgroup]
2024-05-29T18:14:26.2481115Z ##[group]Runner Image
2024-05-29T18:14:26.2481603Z Image: ubuntu-22.04
2024-05-29T18:14:26.2482000Z Version: 20240526.1.0
2024-05-29T18:14:26.2482983Z Included Software: https://github.com/actions/runner-images/blob/ubuntu22/20240526.1/images/ubuntu/Ubuntu2204-Readme.md
2024-05-29T18:14:26.2484443Z Image Release: https://github.com/actions/runner-images/releases/tag/ubuntu22%2F20240526.1
2024-05-29T18:14:26.2485292Z ##[endgroup]
2024-05-29T18:14:26.2485726Z ##[group]Runner Image Provisioner
2024-05-29T18:14:26.2486244Z 2.0.369.1
2024-05-29T18:14:26.2486581Z ##[endgroup]
2024-05-29T18:14:26.2488876Z ##[group]GITHUB_TOKEN Permissions
2024-05-29T18:14:26.2490642Z Actions: write
2024-05-29T18:14:26.2491263Z Attestations: write
2024-05-29T18:14:26.2491851Z Checks: write
2024-05-29T18:14:26.2492296Z Contents: write
2024-05-29T18:14:26.2492725Z Deployments: write
2024-05-29T18:14:26.2493115Z Discussions: write
2024-05-29T18:14:26.2493536Z Issues: write
2024-05-29T18:14:26.2493922Z Metadata: read
2024-05-29T18:14:26.2494321Z Packages: write
2024-05-29T18:14:26.2494693Z Pages: write
2024-05-29T18:14:26.2495100Z PullRequests: write
2024-05-29T18:14:26.2495540Z RepositoryProjects: write
2024-05-29T18:14:26.2495985Z SecurityEvents: write
2024-05-29T18:14:26.2496416Z Statuses: write
2024-05-29T18:14:26.2496808Z ##[endgroup]
2024-05-29T18:14:26.2499861Z Secret source: Actions
2024-05-29T18:14:26.2500527Z Prepare workflow directory
2024-05-29T18:14:26.3236714Z Prepare all required actions
2024-05-29T18:14:26.3395737Z Getting action download info
2024-05-29T18:14:26.4669232Z Download action repository 'actions/setup-node@v4.0.2' (SHA:60edb5dd545a775178f52524783378180af0d1f8)
2024-05-29T18:14:26.6354890Z Download action repository 'actions/checkout@v4.1.1' (SHA:b4ffde65f46336ab88eb53be808477a3936bae11)
2024-05-29T18:14:26.6738751Z Download action repository 'actions/cache@v4.0.1' (SHA:ab5e6d0c87105b4c9c2047343972218f562e4319)
2024-05-29T18:14:26.9454684Z Complete job name: ctp-ledger-connector-ethereum
2024-05-29T18:14:27.0407144Z ##[group]Run actions/setup-node@v4.0.2
2024-05-29T18:14:27.0407904Z with:
2024-05-29T18:14:27.0408249Z   node-version: v18.18.2
2024-05-29T18:14:27.0408727Z   always-auth: false
2024-05-29T18:14:27.0409242Z   check-latest: false
2024-05-29T18:14:27.0409864Z   token: ***
2024-05-29T18:14:27.0410223Z env:
2024-05-29T18:14:27.0410660Z   NODEJS_VERSION: v18.18.2
2024-05-29T18:14:27.0411118Z   RUN_TRIVY_SCAN: true
2024-05-29T18:14:27.0411536Z   FULL_BUILD_DISABLED: true
2024-05-29T18:14:27.0412814Z   JEST_TEST_PATTERN: packages/cactus-test-plugin-ledger-connector-ethereum/src/test/typescript/(unit|integration|benchmark)/.*/*.test.ts
2024-05-29T18:14:27.0414083Z   JEST_TEST_RUNNER_DISABLED: false
2024-05-29T18:14:27.0414578Z   TAPE_TEST_RUNNER_DISABLED: true
2024-05-29T18:14:27.0415149Z ##[endgroup]
2024-05-29T18:14:27.3394142Z Attempting to download v18.18.2...
2024-05-29T18:14:27.6146256Z Acquiring 18.18.2 - x64 from https://github.com/actions/node-versions/releases/download/18.18.2-6796085386/node-18.18.2-linux-x64.tar.gz
2024-05-29T18:14:28.0584476Z Extracting ...
2024-05-29T18:14:28.0729917Z [command]/usr/bin/tar xz --strip 1 --warning=no-unknown-keyword --overwrite -C /home/runner/work/_temp/7f62dcc4-2eea-4134-9996-51fb41a608d7 -f /home/runner/work/_temp/18a8f5ad-d701-4682-a0a6-ddfeccff98bc
2024-05-29T18:14:29.0694653Z Adding to the cache ...
2024-05-29T18:14:30.6693206Z ##[group]Environment details
2024-05-29T18:14:30.9336497Z node: v18.18.2
2024-05-29T18:14:30.9337120Z npm: 9.8.1
2024-05-29T18:14:30.9337787Z yarn: 1.22.22
2024-05-29T18:14:30.9339206Z ##[endgroup]
2024-05-29T18:14:30.9702266Z ##[group]Run actions/checkout@v4.1.1
2024-05-29T18:14:30.9702711Z with:
2024-05-29T18:14:30.9703208Z   repository: hyperledger/cacti
2024-05-29T18:14:30.9704074Z   token: ***
2024-05-29T18:14:30.9704384Z   ssh-strict: true
2024-05-29T18:14:30.9704846Z   persist-credentials: true
2024-05-29T18:14:30.9705243Z   clean: true
2024-05-29T18:14:30.9705551Z   sparse-checkout-cone-mode: true
2024-05-29T18:14:30.9706019Z   fetch-depth: 1
2024-05-29T18:14:30.9706366Z   fetch-tags: false
2024-05-29T18:14:30.9706670Z   show-progress: true
2024-05-29T18:14:30.9707093Z   lfs: false
2024-05-29T18:14:30.9707406Z   submodules: false
2024-05-29T18:14:30.9707712Z   set-safe-directory: true
2024-05-29T18:14:30.9708223Z env:
2024-05-29T18:14:30.9708526Z   NODEJS_VERSION: v18.18.2
2024-05-29T18:14:30.9708865Z   RUN_TRIVY_SCAN: true
2024-05-29T18:14:30.9709297Z   FULL_BUILD_DISABLED: true
2024-05-29T18:14:30.9710676Z   JEST_TEST_PATTERN: packages/cactus-test-plugin-ledger-connector-ethereum/src/test/typescript/(unit|integration|benchmark)/.*/*.test.ts
2024-05-29T18:14:30.9711734Z   JEST_TEST_RUNNER_DISABLED: false
2024-05-29T18:14:30.9712303Z   TAPE_TEST_RUNNER_DISABLED: true
2024-05-29T18:14:30.9712669Z ##[endgroup]
2024-05-29T18:14:31.0490368Z Syncing repository: hyperledger/cacti
2024-05-29T18:14:31.0491730Z ##[group]Getting Git version info
2024-05-29T18:14:31.0492806Z Working directory is '/home/runner/work/cacti/cacti'
2024-05-29T18:14:31.0510179Z [command]/usr/bin/git version
2024-05-29T18:14:31.0595744Z git version 2.45.1
2024-05-29T18:14:31.0624616Z ##[endgroup]
2024-05-29T18:14:31.0647005Z Temporarily overriding HOME='/home/runner/work/_temp/65f40793-e9dd-45f7-aa48-3edabe0b5e12' before making global git config changes
2024-05-29T18:14:31.0648980Z Adding repository directory to the temporary git global config as a safe directory
2024-05-29T18:14:31.0650804Z [command]/usr/bin/git config --global --add safe.directory /home/runner/work/cacti/cacti
2024-05-29T18:14:31.0683363Z Deleting the contents of '/home/runner/work/cacti/cacti'
2024-05-29T18:14:31.0689073Z ##[group]Initializing the repository
2024-05-29T18:14:31.0692659Z [command]/usr/bin/git init /home/runner/work/cacti/cacti
2024-05-29T18:14:31.0791277Z hint: Using 'master' as the name for the initial branch. This default branch name
2024-05-29T18:14:31.0792241Z hint: is subject to change. To configure the initial branch name to use in all
2024-05-29T18:14:31.0793062Z hint: of your new repositories, which will suppress this warning, call:
2024-05-29T18:14:31.0793748Z hint:
2024-05-29T18:14:31.0794276Z hint: 	git config --global init.defaultBranch <name>
2024-05-29T18:14:31.0794773Z hint:
2024-05-29T18:14:31.0795453Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2024-05-29T18:14:31.0796493Z hint: 'development'. The just-created branch can be renamed via this command:
2024-05-29T18:14:31.0797495Z hint:
2024-05-29T18:14:31.0798046Z hint: 	git branch -m <name>
2024-05-29T18:14:31.0798683Z Initialized empty Git repository in /home/runner/work/cacti/cacti/.git/
2024-05-29T18:14:31.0801234Z [command]/usr/bin/git remote add origin https://github.com/hyperledger/cacti
2024-05-29T18:14:31.0838315Z ##[endgroup]
2024-05-29T18:14:31.0839010Z ##[group]Disabling automatic garbage collection
2024-05-29T18:14:31.0842207Z [command]/usr/bin/git config --local gc.auto 0
2024-05-29T18:14:31.0872228Z ##[endgroup]
2024-05-29T18:14:31.0873045Z ##[group]Setting up auth
2024-05-29T18:14:31.0878799Z [command]/usr/bin/git config --local --name-only --get-regexp core\.sshCommand
2024-05-29T18:14:31.0909618Z [command]/usr/bin/git submodule foreach --recursive sh -c "git config --local --name-only --get-regexp 'core\.sshCommand' && git config --local --unset-all 'core.sshCommand' || :"
2024-05-29T18:14:31.1265073Z [command]/usr/bin/git config --local --name-only --get-regexp http\.https\:\/\/github\.com\/\.extraheader
2024-05-29T18:14:31.1294718Z [command]/usr/bin/git submodule foreach --recursive sh -c "git config --local --name-only --get-regexp 'http\.https\:\/\/github\.com\/\.extraheader' && git config --local --unset-all 'http.https://github.com/.extraheader' || :"
2024-05-29T18:14:31.1537668Z [command]/usr/bin/git config --local http.https://github.com/.extraheader AUTHORIZATION: basic ***
2024-05-29T18:14:31.1581241Z ##[endgroup]
2024-05-29T18:14:31.1582433Z ##[group]Fetching the repository
2024-05-29T18:14:31.1593800Z [command]/usr/bin/git -c protocol.version=2 fetch --no-tags --prune --no-recurse-submodules --depth=1 origin +81da3334d8e638f85e398dd228bcef836a278230:refs/remotes/origin/main
2024-05-29T18:14:32.1369829Z From https://github.com/hyperledger/cacti
2024-05-29T18:14:32.1371859Z  * [new ref]         81da333 -> origin/main
2024-05-29T18:14:32.1395818Z ##[endgroup]
2024-05-29T18:14:32.1396843Z ##[group]Determining the checkout info
2024-05-29T18:14:32.1398690Z ##[endgroup]
2024-05-29T18:14:32.1399672Z ##[group]Checking out the ref
2024-05-29T18:14:32.1404086Z [command]/usr/bin/git checkout --progress --force -B main refs/remotes/origin/main
2024-05-29T18:14:32.7594778Z Switched to a new branch 'main'
2024-05-29T18:14:32.7595819Z branch 'main' set up to track 'origin/main'.
2024-05-29T18:14:32.7624017Z ##[endgroup]
2024-05-29T18:14:32.7660832Z [command]/usr/bin/git log -1 --format='%H'
2024-05-29T18:14:32.7686058Z '81da3334d8e638f85e398dd228bcef836a278230'
2024-05-29T18:14:32.7843915Z ##[group]Run echo "dir=$(yarn cache dir)" >> "$GITHUB_OUTPUT"
2024-05-29T18:14:32.7844624Z �[36;1mecho "dir=$(yarn cache dir)" >> "$GITHUB_OUTPUT"�[0m
2024-05-29T18:14:32.7923507Z shell: /usr/bin/bash -e {0}
2024-05-29T18:14:32.7923979Z env:
2024-05-29T18:14:32.7924456Z   NODEJS_VERSION: v18.18.2
2024-05-29T18:14:32.7924917Z   RUN_TRIVY_SCAN: true
2024-05-29T18:14:32.7925306Z   FULL_BUILD_DISABLED: true
2024-05-29T18:14:32.7926271Z   JEST_TEST_PATTERN: packages/cactus-test-plugin-ledger-connector-ethereum/src/test/typescript/(unit|integration|benchmark)/.*/*.test.ts
2024-05-29T18:14:32.7927223Z   JEST_TEST_RUNNER_DISABLED: false
2024-05-29T18:14:32.7927770Z   TAPE_TEST_RUNNER_DISABLED: true
2024-05-29T18:14:32.7928191Z ##[endgroup]
2024-05-29T18:14:33.2096065Z ##[error]Unable to process file command 'output' successfully.
2024-05-29T18:14:33.2104770Z ##[error]Invalid format '  0. yarn cache clean [--mirror] [--all]'
2024-05-29T18:14:33.2263637Z Post job cleanup.
2024-05-29T18:14:33.3035435Z [command]/usr/bin/git version
2024-05-29T18:14:33.3079712Z git version 2.45.1
2024-05-29T18:14:33.3124388Z Temporarily overriding HOME='/home/runner/work/_temp/9b8e00bb-c36a-4d67-abcb-cfafdf02bd77' before making global git config changes
2024-05-29T18:14:33.3126367Z Adding repository directory to the temporary git global config as a safe directory
2024-05-29T18:14:33.3129712Z [command]/usr/bin/git config --global --add safe.directory /home/runner/work/cacti/cacti
2024-05-29T18:14:33.3168293Z [command]/usr/bin/git config --local --name-only --get-regexp core\.sshCommand
2024-05-29T18:14:33.3203708Z [command]/usr/bin/git submodule foreach --recursive sh -c "git config --local --name-only --get-regexp 'core\.sshCommand' && git config --local --unset-all 'core.sshCommand' || :"
2024-05-29T18:14:33.3479541Z [command]/usr/bin/git config --local --name-only --get-regexp http\.https\:\/\/github\.com\/\.extraheader
2024-05-29T18:14:33.3501845Z http.https://github.com/.extraheader
2024-05-29T18:14:33.3514783Z [command]/usr/bin/git config --local --unset-all http.https://github.com/.extraheader
2024-05-29T18:14:33.3547533Z [command]/usr/bin/git submodule foreach --recursive sh -c "git config --local --name-only --get-regexp 'http\.https\:\/\/github\.com\/\.extraheader' && git config --local --unset-all 'http.https://github.com/.extraheader' || :"
2024-05-29T18:14:33.4044749Z Cleaning up orphan processes
```

Signed-off-by: Peter Somogyvari <peter.somogyvari@accenture.com>

.github/workflows/ci.yaml

@@ -2091,17 +2091,14 @@ jobs:
         with:
           node-version: ${{ env.NODEJS_VERSION }}
       - uses: actions/checkout@v4.1.1
-      - id: yarn-cache-dir-path
-        name: Get yarn cache directory path
-        run: echo "dir=$(yarn cache dir)" >> "$GITHUB_OUTPUT"
       - id: yarn-cache
         name: Restore Yarn Cache
         uses: actions/cache@v4.0.1
         with:
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('./yarn.lock') }}
+          path: ./.yarn/
           restore-keys: |
-            ${{ runner.os }}-yarn-
+            ${{ runner.os }}-yarn-${{ hashFiles('./yarn.lock') }}
       - run: ./tools/ci.sh
   cactus-test-tooling:
     continue-on-error: false