Revert "Go back to github hosted runners. (#4319)" · savonet/liquidsoap@7c3ffcd

Canceling since a higher priority waiting request for 'CI-refs/heads/rolling-release-v2.3.x' exists

The operation was canceled.

Unexpected input(s) 'opam-depext', valid inputs are ['allow-prerelease-opam', 'ocaml-compiler', 'opam-repositories', 'opam-pin', 'opam-local-packages', 'opam-disable-sandboxing', 'dune-cache', 'cache-prefix', 'github-token']