Add reopen issue command

[damccorm]

Add a command to allow non-committers to reopen any issue

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[github-actions]

Assigning reviewers. If you would like to opt out of this review, comment assign to next reviewer:

R: @Abacn for label build.

Available commands:

• stop reviewer notifications - opt out of the automated review tooling
• remind me after tests pass - tag the comment author after tests pass
• waiting on author - shift the attention set back to the author (any comment or push by the author will return the attention set to the reviewers)

The PR bot will only process comments in the main thread (not review comments).

[Abacn]

One thing I notice after #23629 was in is that when an issue gets closed and re-open, the milestone remains there: #21706
we may see some false milestone but it is better than miss them. Just a note as far as I know I do not have a solution here.

[damccorm]

I think that's ok. It may also get reupdated when you close that issue