Retry with debug pause

# Summary

What change needs making?

There's https://argoproj.github.io/argo-workflows/debug-pause/

I'm thinking wouldn't it be nice to have an additional argument in `argo retry` so that we can retry with `debug pause` on

So that users can skip the hassle of modifying and resubmitting workflow yaml

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**Message from the maintainers**:

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Start with the `argo retry` command and read the linked debug-pause documentation to understand the requested behavior. Trace how retry arguments are handled and determine how a retry with debug pause should be represented; the work is done when users can invoke this without modifying and resubmitting workflow YAML and the behavior is covered by the relevant tests.

Written by the indexing model from the issue text.