"There's still an error" message when trying to run cli via GH actions

**Describe the bug**
I wanted to try an alternative way to automate adding contributors. For that purpose, I wrote a GH action workflow file that is triggered whenever it detects a change in `.all-contributorsrc`. This runner then sets up node, generates `CONTRIBUTORS.md` and commits it in the same PR that triggers it. You can find the workflow file in my PR [here](https://github.com/sktime/sktime/pull/3807).

However, there's a vague "There's still an error" [message](https://github.com/sktime/sktime/pull/3807/checks#step:5:1) when running the `npx all-contributors generate` step. Due to the vagueness of the error message, I'm unable to diagnose what component is giving this error (could be `all-contributors-cli`, GHA or an error from the runner itself). It is only after knowing the source of the error, that I can try to debug it.

So I wanted to know if `all-contributors-cli` is throwing this error and if yes then is there a potential way to correct it?

**To Reproduce**

**Expected behavior**

**Screenshots**
Attaching the log message in case it gets cleaned by GH:

**Additional context**
Please let me know if any additional context is required.