Automatic merge from submit-queue (batch tested with PRs 61324, 62880, 62765). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

provide standard iostream struct for commands

Commands usually need some kind of iostream.  For consistency, delegation, and testability this pull introduces a standard struct to embed in every set of command options.  It also starts the plumbing so that the benefits of standardization for all three of those cases become clear.

@kubernetes/sig-cli-maintainers 
@soltysh @juanvallejo 

```release-note
NONE
```