Github PR Comment: don't comment if no changes

[alexnederlof]

Description

We have many TF stacks and a PR gets hit with many "no changes" comment making it hard to find the ones that did change. An option that allows us to skip a comment if there are no changes would be great, so it only puts a comment for changes.

References

No response

Help Wanted

• I'm interested in contributing a fix myself

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