github-actions(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] <support@github.com>

.github/workflows/integrate.yaml

@@ -40,7 +40,7 @@ jobs:
  run: "echo \"COMPOSER_CACHE_DIR=$(composer config cache-dir)\" >> $GITHUB_ENV"
 
  - name: "Cache dependencies installed with composer"
- uses: "actions/cache@v3"
+ uses: "actions/cache@v4"
  with:
  path: "${{ env.COMPOSER_CACHE_DIR }}"
  key: "php-${{ matrix.php-version }}-composer-${{ hashFiles('composer.lock') }}"