Add a sort parameter to Geo registries queries

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/179274



Merged-by: Pavel Shutsin <pshutsin@gitlab.com>
Approved-by: Scott Murray <smurray@gitlab.com>
Approved-by: Leaminn Ma <lma@gitlab.com>
Approved-by: Pavel Shutsin <pshutsin@gitlab.com>
Reviewed-by: Pavel Shutsin <pshutsin@gitlab.com>
Reviewed-by: Leaminn Ma <lma@gitlab.com>
Reviewed-by: Scott Murray <smurray@gitlab.com>
Co-authored-by: c_fons <cfons@gitlab.com>