pluralize the word 'Formula' in reports
pluralize the word 'Formula' in reports

Closes Homebrew/homebrew#15321.

Signed-off-by: Adam Vandenberg <34c2b6407fd5a10249a15d699d40f9ed1782e98c@gmail.com>

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