ci: allow failure of codestyle_check job

.gitlab-ci.yml

@@ -13,7 +13,8 @@ codestyle_check:
       codequality: phpcs-quality-report.json
   rules:
     - if: $CI_PIPELINE_SOURCE == 'merge_request_event' && $CI_MERGE_REQUEST_TARGET_BRANCH_PROTECTED
-    - if: $CI_COMMIT_BRANCH	
+    - if: $CI_COMMIT_BRANCH
+  allow_failure: true
 
 #stages:
 #    - lint