Based upon a result from a previous stage, either automatically confirm a job, or ask for manual confirmation.
Open issues:
- https://gitlab.com/gitlab-org/gitlab/-/issues/27095
- https://forum.gitlab.com/t/manual-jobs-in-2-different-stages-with-needs-relation-are-skipped/54590
- https://gitlab.com/gitlab-org/gitlab/-/issues/35632
- https://gitlab.com/gitlab-org/gitlab-runner/-/issues/1664
- https://gitlab.com/gitlab-org/gitlab/-/issues/259634