Update telegram-desktop-dev from 1.9.19.beta to 1.9.20.beta (#8736)
Update telegram-desktop-dev from 1.9.19.beta to 1.9.20.beta (#8736)


404NetworkError/homebrew-versions,mahori/homebrew-cask-versions,404NetworkError/homebrew-versions,caskroom/homebrew-versions,pkq/homebrew-versions,lantrix/homebrew-versions,lantrix/homebrew-versions,rogeriopradoj/homebrew-versions,rogeriopradoj/homebrew-versions,caskroom/homebrew-versions,pkq/homebrew-versions