"Error: Either "filePath" or "message" should be provided" as input if a comment with tag does not exist

```
        uses: thollander/actions-comment-pull-request@v2
        with:
          comment_tag: pr_description_check
          mode: delete
```

If no comment with the tag exists, this error is triggered:
```
Error: Either "filePath" or "message" should be provided
```