uses: fail fast if invalid formula names are given
uses: fail fast if invalid formula names are given

Fixes Homebrew/homebrew#20819.

DomT4/brew,Linuxbrew/brew,rwhogg/brew,jmsundar/brew,aw1621107/brew,sjackman/homebrew,DomT4/brew,konqui/brew,mahori/brew,Linuxbrew/brew,nandub/brew,MikeMcQuaid/brew,konqui/brew,zmwangx/brew,mistydemeo/homebrew,zmwangx/brew,staticfloat/brew,reitermarkus/brew,mahori/brew,nandub/brew,gordonmcshane/homebrew,AnastasiaSulyagina/brew,maxim-belkin/brew,alyssais/brew,mahori/brew,EricFromCanada/brew,gregory-nisbet/brew,konqui/brew,mgrimes/brew,rwhogg/brew,amar-laksh/brew_sudo,mgrimes/brew,aw1621107/brew,reelsense/brew,pseudocody/brew,muellermartin/dist,jmsundar/brew,DomT4/brew,rwhogg/brew,claui/brew,EricFromCanada/brew,EricFromCanada/brew,MikeMcQuaid/brew,amar-laksh/brew_sudo,ilovezfs/brew,Homebrew/brew,mistydemeo/homebrew,ilovezfs/brew,alyssais/brew,DomT4/brew,zmwangx/brew,gregory-nisbet/brew,reitermarkus/brew,mistydemeo/homebrew,muellermartin/dist,pseudocody/brew,bfontaine/brew,palxex/brew,palxex/brew,Linuxbrew/brew,staticfloat/brew,toonetown/homebrew,toonetown/homebrew,alyssais/brew,reelsense/brew,nandub/brew,JCount/brew,sjackman/homebrew,staticfloat/brew,pseudocody/brew,MikeMcQuaid/brew,reelsense/brew,Homebrew/brew,vitorgalvao/brew,konqui/brew,EricFromCanada/brew,mgrimes/brew,hanxue/linuxbrew,tonyg/homebrew,gordonmcshane/homebrew,sjackman/homebrew,sjackman/homebrew,bfontaine/brew,hanxue/linuxbrew,claui/brew,vitorgalvao/brew,tonyg/homebrew,mahori/brew,claui/brew,maxim-belkin/brew,AnastasiaSulyagina/brew,aw1621107/brew,gordonmcshane/homebrew,JCount/brew,ilovezfs/brew,reitermarkus/brew,vitorgalvao/brew,JCount/brew,bfontaine/brew,MikeMcQuaid/brew,palxex/brew,tonyg/homebrew,claui/brew,Homebrew/brew,amar-laksh/brew_sudo,jmsundar/brew,JCount/brew,hanxue/linuxbrew,gregory-nisbet/brew,reitermarkus/brew,muellermartin/dist,vitorgalvao/brew,Homebrew/brew,toonetown/homebrew,maxim-belkin/brew,nandub/brew,Linuxbrew/brew,AnastasiaSulyagina/brew