chore(deps): bump the gh-actions group with 2 updates

Bumps the gh-actions group with 2 updates: [actions/cache](https://github.com/actions/cache) and [actions/upload-artifact](https://github.com/actions/upload-artifact).


Updates `actions/cache` from 4 to 5
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

Updates `actions/upload-artifact` from 5 to 6
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: gh-actions
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: gh-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/php.yml

@@ -51,7 +51,7 @@ jobs:
         run: echo "path=$(composer global config cache-dir)" >> $GITHUB_OUTPUT
 
       - name: 'Share Composer cache across runs'
-        uses: 'actions/cache@v4'
+        uses: 'actions/cache@v5'
         with:
           path: '${{ steps.cachedir.outputs.path }}'
           key: "composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.json') }}"
@@ -79,7 +79,7 @@ jobs:
           env_vars: PHP_VERSION
 
       - name: 'Archive code coverage results'
-        uses: 'actions/upload-artifact@v5'
+        uses: 'actions/upload-artifact@v6'
         with:
           name: 'PHP-${{ matrix.php-version }}-strategy-job-index-${{ strategy.job-index }}'
           path: '${{ matrix.php-version }}-${{ strategy.job-index }}-clover.xml'