Change regex to catch multi-line `pubDate` tags.
Change regex to catch multi-line `pubDate` tags.

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