CI: disable 'check' job for gitlab-ci integration as integrate is already disabled

common.yml

@@ -51,6 +51,10 @@ yamllint:
   extends: .infrastructure
   stage: check
   rules:
+    # Do not integration pipeline for merge requests for integrate/gitlab-ci/ branches
+    # The integration is done from the pipeline in gitlab-ci already
+    - if: $CI_COMMIT_REF_NAME =~ /^integrate\/gitlab-ci\/.*/
+      when: never
     - if: $CI_MERGE_REQUEST_IID
     # Explicitly allow externally triggered pipelines in every case
     - if: $CI_PIPELINE_SOURCE == "pipeline" || $CI_PIPELINE_SOURCE == "api"