By Kirk Miller There’s a growing consensus that Apple is going to ditch its proprietary Lightning port for a much more common USB-C port in iPhones starting next year. While this is good news for consumers who are tired of utilizing multiple different cords and adapters, it also suggests that you may want to wait to upgrade your Apple devices until this port change comes into effect. Per Bloomberg and according to unnamed sources (as well as company analyst Ming-Chi Kuo), Apple has already been testing iPhones with the USB-C connector, as well as an adapter that would allow future iPhones to w…