bump-cask-pr: fix branch name for versions with colon
bump-cask-pr: fix branch name for versions with colon

Replace commas and colons with hyphens

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