Merge branch 'trea-use-new-flow-package-test-part2' into 'master'

Use new pipeline flow in package specs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/166020



Merged-by: Dan Davison <ddavison@gitlab.com>
Approved-by: Richard Chong <rchong@gitlab.com>
Approved-by: Dan Davison <ddavison@gitlab.com>
Co-authored-by: treagitlab <trea@gitlab.com>