Apple Inc.’s partnership with OpenAI — in the works for months — was only briefly mentioned at a much-anticipated developer event Monday, with the iPhone maker’s homegrown technology getting most of the focus.Apple’s keynote presentation at its Worldwide Developers Conference lasted more than an hour and 45 minutes, but only about two minutes were devoted to OpenAI’s ChatGPT. Apple is including the chatbot as part of a broad set of AI tools that it’s calling “Apple Intelligence.”...