bump-formula-pr: Use Parser to parse args
bump-formula-pr: Use Parser to parse args

sjackman/homebrew,Linuxbrew/brew,konqui/brew,nandub/brew,MikeMcQuaid/brew,DomT4/brew,nandub/brew,hanxue/linuxbrew,mgrimes/brew,konqui/brew,mahori/brew,DomT4/brew,claui/brew,maxim-belkin/brew,claui/brew,JCount/brew,Linuxbrew/brew,EricFromCanada/brew,Homebrew/brew,maxim-belkin/brew,Linuxbrew/brew,mahori/brew,MikeMcQuaid/brew,mahori/brew,Homebrew/brew,mgrimes/brew,konqui/brew,DomT4/brew,reitermarkus/brew,ilovezfs/brew,maxim-belkin/brew,EricFromCanada/brew,sjackman/homebrew,MikeMcQuaid/brew,reitermarkus/brew,Homebrew/brew,JCount/brew,claui/brew,JCount/brew,nandub/brew,mgrimes/brew,Linuxbrew/brew,konqui/brew,vitorgalvao/brew,Homebrew/brew,vitorgalvao/brew,DomT4/brew,sjackman/homebrew,sjackman/homebrew,JCount/brew,hanxue/linuxbrew,EricFromCanada/brew,vitorgalvao/brew,ilovezfs/brew,mahori/brew,MikeMcQuaid/brew,reitermarkus/brew,EricFromCanada/brew,ilovezfs/brew,nandub/brew,hanxue/linuxbrew,claui/brew,reitermarkus/brew,vitorgalvao/brew