Do you want to request a feature or report a bug?
Both?

What is the current behavior?
We are hitting GitHub API rate limits

error An unexpected error occurred: "https://api.github.com/repos/yarnpkg/yarn/releases: API rate limit exceeded for ***. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)". 

(this happens when trying to use the new yarn policies set-version command)

What is the expected behavior?
We should be able to define a github access token via an environment variable so that github requests are authd