Adapt failover for postgres
this will close https://gitlab.com/gitlab-com/infrastructure/issues/1970
Did i miss anything? @yorickpeterse @omame @northrup
Edited by Jason Tevnan
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
this will close https://gitlab.com/gitlab-com/infrastructure/issues/1970
Did i miss anything? @yorickpeterse @omame @northrup