Use setup homebrew action

[dieterplex]

Ubuntu 18.04 runner is deprecated and linuxbrew-wrapper is no longer exist in new runner. See https://github.com/actions/runner-images/issues/6283

Ref:

• https://github.com/Homebrew/actions/tree/master/setup-homebrew
• https://github.com/actions/runner-images/blob/main/images/linux/Ubuntu2004-Readme.md

This action run shows that it works

Close #153