Bump actions/cache from 3 to 4 (#720)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/php.yml

@@ -229,7 +229,7 @@ jobs:
         run: echo PHPSTAN_TMP_DIR=$(php -r "print sys_get_temp_dir() . '/phpstan';") >> $GITHUB_OUTPUT
         id: phpstan_tmp_dir
       - name: cache phpstan
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.phpstan_tmp_dir.outputs.PHPSTAN_TMP_DIR }}
           key: ${{ runner.os }}-phpstan-core-baseline