Add cask for Amazon Corretto 8 (#7100)
Add cask for Amazon Corretto 8 (#7100)

* Add cask for Amazon Corretto 8

* Update corretto8.rb

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