Update texstudio-beta to 2.12.12beta3 (#6580)
Update texstudio-beta to 2.12.12beta3 (#6580)


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