change `export PATH` to `add-path` for github actions
change `export PATH` to `add-path` for github actions

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