[QUARANTINE] [nightly] Verify Update CI file with pipeline editor creates new pipeline and target branch

What does this MR do?

Quarantines the test Verify Update CI file with pipeline editor creates new pipeline and target branch (https://gitlab.com/gitlab-org/gitlab/-/blob/master/qa/qa/specs/features/browser_ui/4_verify/pipeline/update_ci_file_with_pipeline_editor_spec.rb#L53)

This test has been found by Confiner to have failed 7 times, which exceeds the threshold of 3 times.

1. ee:instance-image
2. ee-previous-to-ce:update
3. ee:instance-image-slow-network
4. ce:nplus1-instance-image
5. ee:nplus1-instance-image
6. ee-previous-to-ce:update
7. ce:instance-image

#354475 (closed)

(This MR was automatically generated by Confiner at 2022-03-14 16:31:47 UTC)