Add orchestrated registry job CNG pipeline

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/173729



Merged-by: Sanad Liaquat <sliaquat@gitlab.com>
Approved-by: Sanad Liaquat <sliaquat@gitlab.com>
Reviewed-by: John McDonnell <jmcdonnell@gitlab.com>
Co-authored-by: Sofia Vistas <svistas@gitlab.com>