Fix homebrew lint warning

Author: pol-rivero

publish/homebrew/github-desktop-plus.rb

@@ -15,7 +15,7 @@
     strategy :github_latest
   end
 
-  depends_on macos: ">= :monterey"
+  depends_on macos: :monterey
 
   app "GitHub Desktop Plus.app"
   binary "#{appdir}/GitHub Desktop Plus.app/Contents/Resources/app/static/github-desktop-plus-cli.sh",