Finally! https://github.blog/2023-10-02-introducing-the-new-apple-silicon-powered-m1-macos-larger-runner-for-github-actions/
Oh, doesn't seem to be free for OSS I think. So still Circle or Cirrus FTW then ;)
btw, native image does not support cross compilation?
no, it doesn't
https://github.com/oracle/graal/issues/407 😞