buildx failed with: ERROR: failed to solve: failed to push opensnowcat/opensnowcat-collector-pubsub:latest: failed to authorize: failed to fetch oauth token: unexpected status from GET request to https://auth.docker.io/token?scope=repository%3Aopensnowcat%2Fopensnowcat-collector-pubsub%3Apull%2Cpush&service=registry.docker.io: 401 Unauthorized