Stripe is making a big bet on AI software growth. Credit: SOPA ImagesStripe’s holiday shopping for a startup called Metronome might have snuck past you.It wasn’t the only startup acquisition news yesterday, amid a flurry of end-of-year announcements and deals. And it was announced via a company blog post, with no terms or dollar amounts attached. Not much to go on!But Upstarts can reveal that the deal is probably bigger than you’d expect – and much more interesting in its implications not just f...