[QUARANTINE] Plan promote issue to epic promotes issue to epic

What does this MR do?

Quarantines the test Plan promote issue to epic promotes issue to epic (https://gitlab.com/gitlab-org/gitlab/-/blob/master/qa/qa/specs/features/ee/browser_ui/2_plan/epic/promote_issue_to_epic_spec.rb#L23)

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

1. e2e:package-and-test-results
2. e2e:package-and-test-results
3. e2e:package-and-test-results

#376075 (closed)

(This MR was automatically generated by Confiner at 2022-10-01 02:03:49 UTC)