Update PHP actions

- ignore caches
- use php-actions

.github/workflows/runTests.yml

@@ -20,20 +20,23 @@ jobs:
     - name: Validate composer.json and composer.lock
       run: composer validate
 
-    - name: Cache Composer packages
-      id: composer-cache
-      uses: actions/cache@v3
-      with:
-        path: vendor
-        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-php-
+#    - name: Cache Composer packages
+#      id: composer-cache
+#      uses: actions/cache@v3
+#      with:
+#        path: vendor
+#        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+#        restore-keys: |
+#          ${{ runner.os }}-php-
 
     - name: Install dependencies
-      run: composer install --prefer-dist --no-progress
+      uses: php-actions/composer@v6
+    
+#      run: composer install --prefer-dist --no-progress
 
     # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
     # Docs: https://getcomposer.org/doc/articles/scripts.md
 
     - name: Run test suite
-      run: composer run-script test
+      uses: php-actions/phpunit@v3
+#      run: composer run-script test