ci(phpstan): revert checkstyle disable

Author: simPod

.github/workflows/static-analysis.yml

@@ -37,4 +37,4 @@ jobs:
         uses: ramsey/composer-install@v2
 
       - name: Run a static analysis with phpstan/phpstan
-        run: vendor/bin/phpstan
+        run: vendor/bin/phpstan --error-format=checkstyle | cs2pr