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/php.yaml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Cache Composer dependencies
         id: composer-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ matrix.php-version }}-${{ matrix.dependencies }}-${{ hashFiles('**/composer.lock') }}
@@ -102,7 +102,7 @@ jobs:
 
       - name: Cache Composer dependencies
         id: composer-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}