Update generated code for v470

OPENAPI_VERSION

@@ -1 +1 @@
-v466
+v470

lib/Dispute.php

@@ -27,6 +27,7 @@
  * @property \Stripe\StripeObject $metadata Set of <a href="https://stripe.com/docs/api/metadata">key-value pairs</a> that you can attach to an object. This can be useful for storing additional information about the object in a structured format.
  * @property null|string $network_reason_code Network-dependent reason code for the dispute.
  * @property null|string|\Stripe\PaymentIntent $payment_intent ID of the PaymentIntent that was disputed.
+ * @property null|\Stripe\StripeObject $payment_method_details
  * @property string $reason Reason given by cardholder for dispute. Possible values are <code>bank_cannot_process</code>, <code>check_returned</code>, <code>credit_not_processed</code>, <code>customer_initiated</code>, <code>debit_not_authorized</code>, <code>duplicate</code>, <code>fraudulent</code>, <code>general</code>, <code>incorrect_account_details</code>, <code>insufficient_funds</code>, <code>product_not_received</code>, <code>product_unacceptable</code>, <code>subscription_canceled</code>, or <code>unrecognized</code>. Read more about <a href="https://stripe.com/docs/disputes/categories">dispute reasons</a>.
  * @property string $status Current status of dispute. Possible values are <code>warning_needs_response</code>, <code>warning_under_review</code>, <code>warning_closed</code>, <code>needs_response</code>, <code>under_review</code>, <code>won</code>, or <code>lost</code>.
  */