Add `GitHub::create_check_run` function.
Add `GitHub::create_check_run` function.

sjackman/homebrew,vitorgalvao/brew,Homebrew/brew,JCount/brew,reitermarkus/brew,MikeMcQuaid/brew,Homebrew/brew,JCount/brew,konqui/brew,MikeMcQuaid/brew,nandub/brew,reitermarkus/brew,konqui/brew,Homebrew/brew,konqui/brew,mahori/brew,JCount/brew,konqui/brew,sjackman/homebrew,claui/brew,claui/brew,MikeMcQuaid/brew,vitorgalvao/brew,claui/brew,EricFromCanada/brew,reitermarkus/brew,Homebrew/brew,MikeMcQuaid/brew,mahori/brew,sjackman/homebrew,mahori/brew,EricFromCanada/brew,EricFromCanada/brew,vitorgalvao/brew,nandub/brew,nandub/brew,vitorgalvao/brew,reitermarkus/brew,claui/brew,mahori/brew,sjackman/homebrew,nandub/brew,JCount/brew,EricFromCanada/brew