Sync collabora/production back into collabora/staging

The default branch got accidentally reset when I went through the process of rebasing staging, so all the recent MRs were targeting the wrong branch. This should bring things back into sync.

chart/templates/middleware.yaml

-apiVersion: traefik.io/v1alpha1
+apiVersion: traefik.containo.us/v1alpha1
 kind: Middleware
 metadata:
   name: {{ include "aptly.name" . }}-auth