Follow-up from "Notify users when their CI minutes quota has run out"

The following discussions from !13735 (merged) should be addressed:

• @tipyn started a discussion: (+2 comments)

  If you are not the owner of the group, you will need to contact them to let them know they need to purchase more minutes.

• @tipyn started a discussion: (+2 comments)

  When the CI minutes quota run out, an email is sent automatically to notifies the owner(s) of the group/namespace which includes a link to purchase more minutes.