Type Error on Event Type payment_intent webhook (#55493)

changed` failed `for `payment_failed` on line 45

### What?
Error in line 45 on type of payment_intent

### Why?
Example provided does not work 

### How?
Added 'payment_'

examples/with-stripe-typescript/app/api/webhooks/route.ts

@@ -42,7 +42,7 @@ export async function POST(req: Request) {
           data = event.data.object as Stripe.Checkout.Session
           console.log(`💰 CheckoutSession status: ${data.payment_status}`)
           break
-        case 'payment_intent.failed':
+        case 'payment_intent.payment_failed':
           data = event.data.object as Stripe.PaymentIntent
           console.log(`❌ Payment failed: ${data.last_payment_error?.message}`)
           break