Update skype-preview from 8.70.76.62 to 8.70.76.76 (#10593)
Update skype-preview from 8.70.76.62 to 8.70.76.76 (#10593)

* Update skype-preview from 8.70.76.62 to 8.70.76.76

* Update skype-preview.rb

Co-authored-by: Miccal Matthews <a53b0df86fcdccc56e90f3003dd9230c49f140c6@gmail.com>
pkq/homebrew-versions,404NetworkError/homebrew-versions,404NetworkError/homebrew-versions,mahori/homebrew-cask-versions,pkq/homebrew-versions