rails: move connections block to secrets
Move the population of connection
blocks for object storage from direct yaml to secrets.
- Alter charts to populate
connection
blocks from secret content - Add deprecation notices to templates/NOTES.txt
Relates to #502 (closed) #532 (closed)
https://gitlab.com/charts/gitlab/issues/502#note_86927652
Part of replacement for !378 (closed) (per https://gitlab.com/charts/gitlab/merge_requests/378#note_88582248)