pull: Add --test-bot-user
pull: Add --test-bot-user

Infer the name of the test-bot GitHub user if it is not provided.

reitermarkus/brew,claui/brew,ilovezfs/brew,jmsundar/brew,vitorgalvao/brew,sjackman/homebrew,nandub/brew,maxim-belkin/brew,vitorgalvao/brew,EricFromCanada/brew,jmsundar/brew,mahori/brew,Linuxbrew/brew,JCount/brew,reelsense/brew,palxex/brew,mahori/brew,palxex/brew,pseudocody/brew,jmsundar/brew,nandub/brew,claui/brew,pseudocody/brew,maxim-belkin/brew,ilovezfs/brew,reitermarkus/brew,palxex/brew,mahori/brew,MikeMcQuaid/brew,mahori/brew,Linuxbrew/brew,DomT4/brew,mgrimes/brew,alyssais/brew,alyssais/brew,aw1621107/brew,nandub/brew,reitermarkus/brew,DomT4/brew,sjackman/homebrew,MikeMcQuaid/brew,konqui/brew,claui/brew,Homebrew/brew,JCount/brew,mgrimes/brew,sjackman/homebrew,hanxue/linuxbrew,reelsense/brew,EricFromCanada/brew,aw1621107/brew,reelsense/brew,vitorgalvao/brew,Homebrew/brew,MikeMcQuaid/brew,sjackman/homebrew,maxim-belkin/brew,konqui/brew,claui/brew,pseudocody/brew,JCount/brew,konqui/brew,reitermarkus/brew,alyssais/brew,hanxue/linuxbrew,MikeMcQuaid/brew,mgrimes/brew,nandub/brew,hanxue/linuxbrew,DomT4/brew,aw1621107/brew,Homebrew/brew,JCount/brew,Linuxbrew/brew,Linuxbrew/brew,DomT4/brew,EricFromCanada/brew,EricFromCanada/brew,konqui/brew,Homebrew/brew,ilovezfs/brew,vitorgalvao/brew