Merge branch 'troubleshoot-cutoff' into 'master'

Adding cutoff_date for /troubleshoot_job AI feature

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167086



Merged-by: Terri Chu <tchu@gitlab.com>
Approved-by: Terri Chu <tchu@gitlab.com>
Reviewed-by: Terri Chu <tchu@gitlab.com>
Co-authored-by: Max Fan <mfan@gitlab.com>