Merge branch 'add_new_detailed_merge_status_type' into 'master'

Add new detailed merge request state

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/98042



Merged-by: Mark Chao <mchao@gitlab.com>
Approved-by: Alan (Maciej) Paruszewski <mparuszewski@gitlab.com>
Approved-by: Mark Chao <mchao@gitlab.com>
Co-authored-by: Marc Shaw <mshaw@gitlab.com>