torbrowser-ar.rb: upgrade to v5.0
torbrowser-ar.rb: upgrade to v5.0

noamross/homebrew-versions,coeligena/homebrew-verscustomized,tomschlick/homebrew-versions,pquentin/homebrew-versions,lukasbestle/homebrew-versions,chadcatlett/caskroom-homebrew-versions,dictcp/homebrew-versions,elovelan/homebrew-versions,lukaselmer/homebrew-versions