Merge branch 'aqualls-sso-image-names' into 'master'

SSO folder: rename images to include milestone info

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167332



Merged-by: Jon Glassman <jglassman@gitlab.com>
Approved-by: Jon Glassman <jglassman@gitlab.com>
Co-authored-by: Amy Qualls <aqualls@gitlab.com>