Change GitLab version for object storage
What does this MR do?
Object storage will be in 9.4, see https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1762#note_33033810
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Object storage will be in 9.4, see https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1762#note_33033810