make `msg` optional, so the action can be used to delete comments too.

unsplash / comment-on-pr

A GitHub Action to comment on the relevant open PR when a commit is pushed.

MIT License

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make `msg` optional, so the action can be used to delete comments too. #53

Closed the-baaron closed 1 year ago

the-baaron commented 2 years ago

This PR adds the ability to use the delete functions without the need to post a new message. This is useful in our workflow where we use the comment to show a warning. When the issue is resolved, we need to remove the message without posting a new one.