Merge branch '460779-token-revocation' into 'master'

Create a Group API endpoint for self-revoking a token

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/153376



Merged-by: Vitali Tatarintev <vtatarintev@gitlab.com>
Approved-by: Shreyas Agarwal <sagarwal@gitlab.com>
Approved-by: Vitali Tatarintev <vtatarintev@gitlab.com>
Approved-by: Smriti Garg <sgarg@gitlab.com>
Reviewed-by: Vitali Tatarintev <vtatarintev@gitlab.com>
Reviewed-by: Shreyas Agarwal <sagarwal@gitlab.com>
Reviewed-by: Nick Malcolm <nmalcolm@gitlab.com>
Co-authored-by: Nick Malcolm <nmalcolm@gitlab.com>