Merge branch 'if-420625-member_page_customizable_roles_be' into 'master'

Query customizable roles for groups members page

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/128491



Merged-by: Dylan Griffith <dyl.griffith@gmail.com>
Approved-by: Marc Shaw <mshaw@gitlab.com>
Approved-by: Dylan Griffith <dyl.griffith@gmail.com>
Reviewed-by: Jarka Košanová <jarka@gitlab.com>
Reviewed-by: Marc Shaw <mshaw@gitlab.com>
Co-authored-by: Imre Farkas <ifarkas@gitlab.com>