(Disclaimer: I'm a cofounder at Ubicloud.)
Hey there, we offer Ubicloud Runners that are 10x cheaper than GitHub and bill them by the minute. You get a fresh VM with each job; and we use Hetzner as our underlying provider.
If you're already setting up a Hetzner box, I'd love to get your input. Any thoughts or feedback for us?
https://www.ubicloud.com/use-cases/github-actions
https://github.com/ubicloud/ubicloud/blob/main/routes/web/we... (our github actions integration is also openly available)