Apple has updated its iTunes Store Terms, revealing an impending Apple TV 3.0 update that will bring support for the iTunes LP and iTunes Extra formats to Apple’s set-top box. In a brief summary of changes made to the terms, Apple writes, “The Terms of Sale have been revised to clarify that you can now use iTunes LPs and iTunes Extras on Apple TV with software version 3.0 or higher.” Apple last updated the Apple TV’s software…