There's some complications with the use of the the action in GHES. The first of which is the use of the default token. The GHES token certainly doesn't work for public GitHub, which incidentally blocks us from getting lein installed. Being able to pass in an empty string would be helpful, but with an empty string, the "Bearer " still gets set as the auth, rather than being undefined. A lot of this gets fixed once we get an upstream github token, but that isn't always straightforward.