What does this MR do?
Wrap each stage executions with a timestamped section identifier.
Sample output here: https://gitlab.com/nolith/ci-tests/-/jobs/33067371
Why was this MR needed?
See #2505 and https://gitlab.com/gitlab-org/gitlab-ce/issues/37970
Are there points in the code the reviewer needs to double check?
Does this MR meet the acceptance criteria?
Added for this feature/bug
All builds are passing
Branch has no merge conflicts with
master(if you do - rebase it please)
What are the relevant issue numbers?