Update iterm2-beta depends (#5909)
Update iterm2-beta depends (#5909)

Source: https://groups.google.com/forum/#!topic/iterm2-discuss/PaWsyjIqeiQ
mahori/homebrew-cask-versions,404NetworkError/homebrew-versions,victorpopkov/homebrew-versions,victorpopkov/homebrew-versions,Ngrd/homebrew-versions,Ngrd/homebrew-versions,lantrix/homebrew-versions,mahori/homebrew-versions,rogeriopradoj/homebrew-versions,rogeriopradoj/homebrew-versions,pkq/homebrew-versions,404NetworkError/homebrew-versions,lantrix/homebrew-versions,pkq/homebrew-versions,caskroom/homebrew-versions,caskroom/homebrew-versions