Merge branch '442644-add-a-banner-to-the-container-registry-admin-page-to-drive-awareness-of-the-beta-program' into 'master' 

Resolve "Add a banner to the container registry Admin page to drive awareness of the Beta program"

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145439



Merged-by: Marcel Amirault <mamirault@gitlab.com>
Approved-by: Hayley Swimelar <hswimelar@gitlab.com>
Approved-by: Marcel Amirault <mamirault@gitlab.com>
Co-authored-by: Tim Rizzi <trizzi@gitlab.com>