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]>

Author: dependabot[bot]

.github/workflows/test-coding-standards.yml

@@ -46,7 +46,7 @@ jobs:
         run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.COMPOSER_CACHE_FILES_DIR }}
           key: composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}

.github/workflows/test-phpstan.yml

@@ -50,7 +50,7 @@ jobs:
         run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.COMPOSER_CACHE_FILES_DIR }}
           key: composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}
@@ -62,7 +62,7 @@ jobs:
         run: mkdir --parents build/phpstan
 
       - name: Cache PHPStan cache directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: build/phpstan
           key: phpstan-${{ github.sha }}

.github/workflows/test-phpunit.yml

@@ -52,7 +52,7 @@ jobs:
         run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.COMPOSER_CACHE_FILES_DIR }}
           key: composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}