chore(deps): bump actions/cache from 3 to 4 (#797)

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/e2e-k3d.yml

@@ -70,7 +70,7 @@ jobs:
         node-version: 20
 
     - name: Cache .npm
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.npm
         key: ${{ runner.os }}-node-${{ hashFiles('website/**/package-lock.json') }}
@@ -83,7 +83,7 @@ jobs:
       run: cd website && echo "PLAYWRIGHT_VERSION=$(node -e "console.log(require('./package-lock.json').packages['node_modules/@playwright/test'].version)")" >> $GITHUB_ENV
 
     - name: Cache Playwright Browsers
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       id: playwright-cache
       with:
         path: ~/.cache/ms-playwright

.github/workflows/website.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: lts/*
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('website/**/package-lock.json') }}
@@ -42,7 +42,7 @@ jobs:
         with:
           node-version: lts/*
       - name: Cache .npm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('website/**/package-lock.json') }}