Merge branch 'selhorn-admin-area-tutorial-update' into 'master'

Updated Admin Area location

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138581



Merged-by: Kati Paizee <kpaizee@gitlab.com>
Approved-by: Kati Paizee <kpaizee@gitlab.com>
Co-authored-by: Suzanne Selhorn <sselhorn@gitlab.com>