build(deps): bump actions/cache from 2 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/checks.yaml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         continue-on-error: true
         timeout-minutes: 2
         if: ${{ !env.ACT }}
@@ -36,7 +36,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         continue-on-error: true
         timeout-minutes: 2
         if: ${{ !env.ACT }}
@@ -63,7 +63,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         continue-on-error: true
         timeout-minutes: 2
         if: ${{ !env.ACT }}

.github/workflows/release.yaml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         continue-on-error: true
         timeout-minutes: 2
         if: ${{ !env.ACT }}