Receiving error when uploading coverage from circleci for public repository

Description

Receiving error when uploading coverage from circleci for public repository.

Repository

Versions

circleci/node Docker container

Additional Information

Here are the logs from a PR build (same happens on default branch).

https://codecov.io/upload/v4?package=bash-8a28df4&token=secret&branch=pull%2F5&commit=aba9bcc218ee36b49c9f994dacceaf81f49784a9&build=19&build_url=&name=19&tag=&slug=lithic-io%2Fimmdux&service=circleci&flags=&pr=5&job=0

HTTP 400

Provided token is not a UUID.