Merge branch '448553-allow-users-to-select-which-group-to-approve-as' into 'master'

Allow users to select which group to approve as

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/150033



Merged-by: Dheeraj Joshi <djoshi@gitlab.com>
Approved-by: Andrew Fontaine <afontaine@gitlab.com>
Approved-by: Dheeraj Joshi <djoshi@gitlab.com>
Co-authored-by: Anna Vovchenko <avovchenko@gitlab.com>