Audit CI variable changes

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/131882



Merged-by: Stan Hu <stanhu@gmail.com>
Approved-by: Heinrich Lee Yu <heinrich@gitlab.com>
Approved-by: Aaron Huntsman <ahuntsman@gitlab.com>
Approved-by: Stan Hu <stanhu@gmail.com>
Co-authored-by: Sam Figueroa <sfigueroa@gitlab.com>