Merge branch '524340-add-99-as-valid-user-role' into 'master'

Add 99 as valid user role since it was used before

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/184159



Merged-by: Doug Stull <dstull@gitlab.com>
Approved-by: Doug Stull <dstull@gitlab.com>
Reviewed-by: Doug Stull <dstull@gitlab.com>
Co-authored-by: rliu-gl <rliu@gitlab.com>