This feature flag prevents already-retried builds from being retried
again. This feature flag:

* shipped in GitLab 14.0:
  https://gitlab.com/gitlab-org/gitlab/-/merge_requests/62349

* enabled by defualt in GitLab 14.0:
  https://gitlab.com/gitlab-org/gitlab/-/merge_requests/63112

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/331695

Changelog: changed