Merge branch '433073-bug-ai-features-pat-scope-only-available-on-saas' into 'master'

Make ai_features scope available to all users

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/139659



Merged-by: Jessie Young <jessieyoung@gitlab.com>
Approved-by: Aboobacker MK <akarakath@gitlab.com>
Approved-by: Bogdan Denkovych <bdenkovych@gitlab.com>
Approved-by: Ravi Kumar <rkumar@gitlab.com>
Approved-by: Jessie Young <jessieyoung@gitlab.com>
Reviewed-by: Eduardo Bonet <ebonet@gitlab.com>
Co-authored-by: Suzanne Selhorn <sselhorn@gitlab.com>
Co-authored-by: Eduardo Bonet <ebonet@gitlab.com>