Use Xdebug

Author: sebastianbergmann

.github/workflows/ci.yml

@@ -74,7 +74,7 @@ jobs:
         uses: "shivammathur/setup-php@v2"
         with:
           php-version: "${{ matrix.php-version }}"
-          coverage: "pcov"
+          coverage: "xdebug"
 
       - name: "Install dependencies with Composer"
         run: "./tools/composer update --no-ansi --no-interaction --no-progress"