Update digital ocean s3 docs
From https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/18751
What does this MR do?
Update the documentation about using Digital Ocean Spaces to backup GitLab.
Related issues
Closes #42510 (closed)
From https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/18751
Update the documentation about using Digital Ocean Spaces to backup GitLab.
Closes #42510 (closed)