Added downtime label to PROCESS.md
This does require some manual work (instead of an automatic solution as proposed in gitlab-org/gitlab-ce#14545), but it's an easy start and makes it very easy to see what merge requests require downtime.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This does require some manual work (instead of an automatic solution as proposed in gitlab-org/gitlab-ce#14545), but it's an easy start and makes it very easy to see what merge requests require downtime.