Username and password required

buildx failed with: ERROR: failed to solve: failed to push trellisfw/trellis-shares:sha-c06b08f: failed to authorize: failed to fetch oauth token: unexpected status from GET request to https://auth.docker.io/token?scope=repository%3Atrellisfw%2Ftrellis-shares%3Apull%2Cpush&service=registry.docker.io: 401 Unauthorized

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/