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

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] <[email protected]>

.github/workflows/continuous-integration.yml

@@ -57,7 +57,7 @@ jobs:
         run: "composer validate --strict"
 
       - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v3"
+        uses: "actions/cache@v4"
         with:
           path: "~/.composer/cache"
           key: php-${{ matrix.php-version }}-symfony-${{ matrix.symfony-require }}-composer-locked-${{ hashFiles('composer.lock') }}