style: update to rubocop 0.34.0.
style: update to rubocop 0.34.0.

Closes Homebrew/homebrew#43650.

Signed-off-by: Mike McQuaid <a17fed27eaa842282862ff7c1b9c8395a26ac320@mikemcquaid.com>

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