[QUARANTINE] Manage Gitlab migration imports group epics and iterations

What does this MR do?

Quarantines the test Manage Gitlab migration imports group epics and iterations (https://gitlab.com/gitlab-org/gitlab/-/blob/master/qa/qa/specs/features/ee/api/1_manage/gitlab_migration_group_spec.rb#L117)

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

#376257 (closed)

(This MR was automatically generated by Confiner at 2022-10-06 02:09:43 UTC)