Merge branch 'pedropombeiro/409470/check-permissions-at-service-level' into 'master'

Check for register_project_runners permission in Ci::Runners::AssignRunnerService

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/122215



Merged-by: Vitali Tatarintev <vtatarintev@gitlab.com>
Approved-by: Max Fan <mfan@gitlab.com>
Approved-by: Vitali Tatarintev <vtatarintev@gitlab.com>
Co-authored-by: Pedro Pombeiro <noreply@pedro.pombei.ro>