Merge branch 'master-patch-2e92' into 'master'

AI Gateway functionality

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/126327



Merged-by: Wayne Haber <whaber@gitlab.com>
Reviewed-by: Bob Van Landuyt <bob@gitlab.com>
Reviewed-by: Sebastian Rehm <srehm@gitlab.com>
Co-authored-by: Michelle Gill <mgill@gitlab.com>
Co-authored-by: Andrew Newdigate <andrew@gitlab.com>
Co-authored-by: Bob Van Landuyt <bob@gitlab.com>