Add quiet flag to PHPCS lint command in workflow

Updates the PHPCS lint step in the GitHub Actions workflow to include the -q (quiet) flag, reducing output noise during linting.

Author: pfefferle

.github/workflows/phpcs.yml

@@ -24,4 +24,4 @@ jobs:
         run: composer install --prefer-dist --no-progress
 
       - name: Run PHPCS
-        run: composer lint -- --report-checkstyle | cs2pr
+        run: composer lint -- -q --report-checkstyle | cs2pr