Update opera-beta from 71.0.3770.50 to 71.0.3770.81 (#9520)
Update opera-beta from 71.0.3770.50 to 71.0.3770.81 (#9520)


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