Extend debug logging for k8s executor
What does this MR do?
Extends debug logging of k8s executor.
Why was this MR needed?
To help investigate problems like gitlab-org/gitlab-ce#44171.
Are there points in the code the reviewer needs to double check?
Does this MR meet the acceptance criteria?
- Documentation created/updated
- Added for this feature/bug
- All builds are passing
Branch has no merge conflicts with
master(if you do - rebase it please)