Merge branch '442370-multi-select-users' into 'master'

Add ability to select multiple users for bulk action

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145889



Merged-by: Kerri Miller <kerrizor@kerrizor.com>
Approved-by: Josianne Hyson <jhyson@gitlab.com>
Approved-by: Sharmad Nachnolkar <snachnolkar@gitlab.com>
Approved-by: Tim Noah <tnoah@gitlab.com>
Approved-by: Enrique Alcántara <ealcantara@gitlab.com>
Approved-by: Kerri Miller <kerrizor@kerrizor.com>
Reviewed-by: Josianne Hyson <jhyson@gitlab.com>
Reviewed-by: Sharmad Nachnolkar <snachnolkar@gitlab.com>
Co-authored-by: Vamsi Vempati <vvempati@gitlab.com>