Bump actions/cache from 3.3.2 to 4.0.0

Bumps [actions/cache](https://github.com/actions/cache) from 3.3.2 to 4.0.0.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3.3.2...v4.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
         run: 'echo "::set-output name=directory::$(composer config cache-dir)"'
 
       - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v3.3.2"
+        uses: "actions/cache@v4.0.0"
         with:
           path: "${{ steps.determine-composer-cache-directory.outputs.directory }}"
           key: "php-${{ matrix.php-version }}-composer-cache"