Transfer artifacts to object storage after storing (!2915) · Merge requests · GitLab.org / GitLab · GitLab

What does this MR do?

After a build is finished, it schedules the artifact for uploading to an object storage.

Does this MR meet the acceptance criteria?

Changelog entry added, if necessary
Documentation created/updated
[-] API support added
Tests
- Added for this feature/bug
- All builds are passing
[-] Conform by the merge request performance guides
[-] Conform by the style guides
[-] Branch has no merge conflicts with master (if it does - rebase it please)
[-] Squashed related commits together

What are the relevant issue numbers?

Fixes gitlab-org/gitlab-ee#3346