ci(detached_pipeline): stop MR jobs

MR !1

.gitlab-ci.yml

@@ -59,6 +59,8 @@ Docker Container:
 #  after_script:
 #    - docker push $CI_REGISTRY_IMAGE/docker-mail:$CI_COMMIT_SHA
   rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: never
     - if: $CI_COMMIT_TAG
       when: on_success
     - if: '$CI_COMMIT_BRANCH != "master"'
@@ -101,6 +103,8 @@ Docker Hub:
   environment:
     name: DockerHub
   rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: never
     - if: $CI_COMMIT_TAG
       when: on_success
     - when: never