add persistent volume for git backups
Add a persistent volume for git backups on Openshift, for https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2045
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Add a persistent volume for git backups on Openshift, for https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2045