Update php.yml

Author: cornelius-behrend

.github/workflows/php.yml

@@ -12,11 +12,11 @@ jobs:
     strategy:
       matrix:
         operating-system: ['ubuntu-latest', 'windows-latest', 'macos-latest']
-        php-versions: ['7.3', '7.4']
+        php-versions: ['7.3', '7.4', '8.0']
         phpunit-versions: ['latest']
         include:
         - operating-system: 'ubuntu-latest'
-          php-versions: '7.2'
+          php-versions: '7.4'
           phpunit-versions: '9.0.0'    
     steps:
     - name: Checkout
@@ -28,5 +28,5 @@ jobs:
         php-version: ${{ matrix.php-versions }}
         extensions: mbstring, intl
         ini-values: post_max_size=256M, max_execution_time=180
-        coverage: xdebug        
+        coverage: none        
         tools: php-cs-fixer, phpunit:${{ matrix.phpunit-versions }}