While this week’s WWDC Keynote was all about software, Apple has snuck in a few minor accessory updates in the form of new silicon iPhone case colors and Apple Watch bands, as spotted by AppleInsider. The new options, which are part of Apple’s normal seasonal color updates, include three new colors for the iPhone 8 and iPhone X silicon cases — peach, marine green, and sky blue — along with matching Apple Watch Sport Band options. The…