[Update Services] Update All WPMU Plugins

Hi WPMU,

With the big Update All button on top of my wbsites in the hub it's easy to update all plugins. However I don't trust all plugins to update them blindly in fear of visual disturbances. I do trust the WPMU plugins to not disturb the frontend which brings me to the following request:

Is it possible to make an extra button or checkbox in the list where you can click "Update All" -> Only WPMU Plugins.