cherry-pick-bot Multiple picks in one comment

[crenshaw-dev]

Thanks for stopping by to let us know something could be better!

PLEASE READ: If you have a support contract with Google, please create an issue in the support console instead of filing on GitHub. This will ensure a timely response.

Is your feature request related to a problem? Please describe.

I'd like to be able to request multiple cherry-picks in a single comment, e.g. argoproj/argo-cd#12409 (comment)

Describe alternatives you've considered

Multiple comments. But multiple comments are more cumbersome and may spam PR watchers' emails and notifications.