Apple launches new iPhones next month. What's inside the phone is a much bigger deal.

Courtesy of Joanna Stern; Tyler Le/BI Apple has been promising a new, improved Siri for two years. It's finally coming out next month. Meanwhile, Apple veteran Jony Ive is working on a "family" of new gadgets for OpenAI. We should see the first one next year. These are both meaningful developments for consumers, says veteran gadget-watcher Joanna Stern. Gadgets have gotten pretty boring over the past few years. We've gotten a few unsuccessful attempts at AI devices. And every 12 months, we…