[Feature] Graceful failure when file doesn't exist

[chrisreddington]

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The action will currently fail if a file specified in the paths property does not exist. I would have expected it to provide a warning in this instance, but not a failure.

My preference would be to check whether the file exists, and finish 'successfully', but with a warning.

[airtonix]

no response, going to have to look for a different action