failed to load cache key: error fetching default branch for repository

[peterp]

I'm getting the following when trying to run the example from the documentation.

earthly github.com/earthly/hello-world+hello
           buildkitd | Found buildkit daemon as docker container (earthly-buildkitd)
            internal | --> GIT CLONE https://github.com/earthly/hello-world.git
            internal | WARN: (GIT CLONE https://github.com/earthly/hello-world.git) error fetching default branch for repository https://github.com/earthly/hello-world.git: exit status 128
            internal | --> docker-image://docker.io/alpine/git:v2.30.1
Error: build target: build main: bkClient.Build: failed to solve: failed to load cache key: error fetching default branch for repository https://github.com/earthly/hello-world.git: exit status 128