Update ci.yml

Author: uttamukkoji

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Setup PHP with Xdebug 2.x
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '7.4'
+        php-version: '8.0'
         coverage: xdebug2
 
     - name: Validate composer.json and composer.lock