Merge branch 'stemann-master-patch-41147' into 'master'

Fixed documentation for model registry wrt. feature flag name

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/143112



Merged-by: Suzanne Selhorn <sselhorn@gitlab.com>
Approved-by: Eduardo Bonet <ebonet@gitlab.com>
Co-authored-by: Jesper Stemann Andersen <jesper@sait.dk>