Merge branch 'custom-role-ui-bill' into 'master'

Add note on overcharge

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138935



Merged-by: Fiona Neill <fneill@gitlab.com>
Approved-by: Eduardo Sanz García <esanz-garcia@gitlab.com>
Approved-by: Fiona Neill <fneill@gitlab.com>
Co-authored-by: Jonathan Glassman <jglassman@gitlab.com>