Merge branch '444822-group-agent-mapping-page' into 'master'

Set up Workspaces settings page

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149714



Merged-by: Chad Woolley <cwoolley@gitlab.com>
Approved-by: Hunar Khanna <hkhanna@gitlab.com>
Approved-by: Chad Woolley <cwoolley@gitlab.com>
Reviewed-by: Chad Woolley <cwoolley@gitlab.com>
Co-authored-by: Enrique Alcantara <ealcantara@gitlab.com>