GitHubRepoProvider not working

[AdrianSanchezLopez]

Bug description

Using helm chart 1.0.0-0.dev.git.3025.h276be90 I try to configure repo authentication for GitHub with:

config: BinderHub: GitHubRepoProvider: access_token: <token>

Expected behaviour

Capability to clone private repositories

Actual behaviour

Error, BinderHub cannot clone the git repository:
Could not resolve ref for gh:<edited-user>/<edited-private-repo>.git/HEAD. Double check your URL. GitHub recently changed default branches from "master" to "main".

How to reproduce

Deploy a local BindeHub instance on minikube, with GitHubRepoProvider and the provided helm chart version

Your personal set up

minikube version: v1.28.0
BinderHub helm chart: 1.0.0-0.dev.git.3025.h276be90

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