Merge branch '451509/Add_endpoint_to_call_VerifiedNamespace_service' into 'master'

Add endpoint to call verified namespace service

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/152641



Merged-by: Laura Montemayor <lmontemayor@gitlab.com>
Approved-by: Avielle Wolfe <awolfe@gitlab.com>
Approved-by: Laura Montemayor <lmontemayor@gitlab.com>
Co-authored-by: Kasia Misirli <kmisirli@gitlab.com>