Fix WAL-E alerts as new mtail changed the tags
A new version of mtail
is being deployed to production and it implies a change on the tags to look for. It also generated two different metrics so the WAL-E alert will break and hit PagerDuty, which is not good.
/cc @gl-infra
I've also fixed the dashboard: https://performance.gitlab.net/dashboard/db/backups
This MR fixes https://gitlab.com/gitlab-com/infrastructure/issues/2311
Edited by username-removed-1165651