feature: removed phpcpd, introduced PHPStan

.forgejo/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@v2
+        uses: https://github.com/shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-versions }}
           extensions: mbstring, dom, fileinfo # Add your extensions here.
@@ -23,7 +23,7 @@ jobs:
         run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: https://github.com/actions/cache@v3
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}