Run phpcs

Author: kitloong

.github/workflows/tests.yml

@@ -42,5 +42,8 @@ jobs:
           composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
           composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-progress
 
+      - name: Check code style
+        run: vendor/bin/phpcs
+
       - name: Execute tests
         run: vendor/bin/phpunit