Update skype-preview to latest (#4660)
Update skype-preview to latest (#4660)

* Update skype-preview to latest

* Update skype-preview.rb

pkq/homebrew-versions,mahori/homebrew-versions,caskroom/homebrew-versions,lantrix/homebrew-versions,lantrix/homebrew-versions,404NetworkError/homebrew-versions,victorpopkov/homebrew-versions,FinalDes/homebrew-versions,victorpopkov/homebrew-versions,Ngrd/homebrew-versions,yurikoles/homebrew-versions,rogeriopradoj/homebrew-versions,404NetworkError/homebrew-versions,rogeriopradoj/homebrew-versions,yurikoles/homebrew-versions,mahori/homebrew-cask-versions,FinalDes/homebrew-versions,Ngrd/homebrew-versions,caskroom/homebrew-versions,pkq/homebrew-versions