activate linter

Author: tsamaya

.github/workflows/ci.yml

@@ -47,8 +47,8 @@ jobs:
           PROXY=http://0.0.0.0:8888 ./vendor/bin/phpunit
           docker rm -f tinyproxy
 
-      # - name: Run Linter
-      #   run: ./vendor/bin/phpcs .
+      - name: Run Linter
+        run: ./vendor/bin/phpcs .
 
       # - name: Run PHPStan
       #   run: ./vendor/bin/phpstan analyse --level 5 src tests demo