CI: Skip the exit code for phpcs (#6)

Resolves task: CI/CD: Configure workflows #6

.github/workflows/test.yml

@@ -34,6 +34,7 @@ jobs:
 
       - name: PHP Code Sniffer
         uses: php-actions/phpcs@v1
+        continue-on-error: true
         with:
           php_version: 8.2
           path: www/