Multiline input fails

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## Describe the Bug
When trying to use this action with a multiline output (a JSON output), this action fails. It also prints the input in the error log, which I think is something one tries to avoid.

## Expected Behavior
- Work with multiline inputs
- Do not print input in logs

## Steps to Reproduce

## Screenshots

## Environment (please complete the following information):

Anything that will help us triage the bug will help. Here are some ideas:

## Additional Context