Update github-beta to 1.2.1-beta0-4f970657 (#5719)
Update github-beta to 1.2.1-beta0-4f970657 (#5719)


404NetworkError/homebrew-versions,Ngrd/homebrew-versions,caskroom/homebrew-versions,lantrix/homebrew-versions,mahori/homebrew-versions,lantrix/homebrew-versions,victorpopkov/homebrew-versions,mahori/homebrew-cask-versions,caskroom/homebrew-versions,rogeriopradoj/homebrew-versions,Ngrd/homebrew-versions,victorpopkov/homebrew-versions,rogeriopradoj/homebrew-versions,404NetworkError/homebrew-versions,pkq/homebrew-versions,pkq/homebrew-versions