Merge branch 'edit-ai-agent' into 'master'

Adding edit AI Agent page

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145719



Merged-by: Michael Lunøe <michael.lunoe@gmail.com>
Approved-by: Marc Saleiko <msaleiko@gitlab.com>
Approved-by: Jay Montal <jmontal@gitlab.com>
Approved-by: Michael Lunøe <michael.lunoe@gmail.com>
Reviewed-by: James Fargher <jfargher@gitlab.com>
Reviewed-by: Darby Frey <dfrey@gitlab.com>
Reviewed-by: Michael Lunøe <michael.lunoe@gmail.com>
Reviewed-by: Jay Montal <jmontal@gitlab.com>
Reviewed-by: Marc Saleiko <msaleiko@gitlab.com>
Co-authored-by: Darby Frey <dfrey@gitlab.com>
Co-authored-by: Jay Montal <jmontal@gitlab.com>