Can't get proper runner

[mengzhuo]

https://github.com/mengzhuo/crabc/actions/runs/29672005817/job/88152659269#logs

Always stuck at looking for runner

[luhenry]

Hi @mengzhuo, that was because the bananapi you provided weren't accessible anymore. I removed you from staging so you should have access to ubuntu-24.04-riscv machines on prod again.