Update iina-beta to 1.0.0-rc (#6640)
Update iina-beta to 1.0.0-rc (#6640)


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