Merge branch 'je-add-generated-by-ai-note' into 'master'

Add a note about content generated by AI

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/118011



Merged-by: Denys Mishunov <dmishunov@gitlab.com>
Approved-by: Nataliia Radina <nradina@gitlab.com>
Approved-by: Denys Mishunov <dmishunov@gitlab.com>
Co-authored-by: Jacques <jerasmus@gitlab.com>