Add PHPCS to workflow

Author: salacr-finportal

.github/workflows/ci.yml

@@ -9,6 +9,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: php-actions/composer@v6
+      - uses: php-actions/phpcs@v1
+        with:
+          path: adminer/
+          standard: phpcs.xml
       - uses: php-actions/phpstan@v3
         with:
           path: adminer/