Merge branch 'rd-clarify-role-required-to-remove-blob' into 'master'

Correct role required to remove blob

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167850



Merged-by: Brendan Lynch <blynch@gitlab.com>
Approved-by: Brendan Lynch <blynch@gitlab.com>
Co-authored-by: Russell Dickenson <rdickenson@gitlab.com>