Update generated code for v658

OPENAPI_VERSION

@@ -1 +1 @@
-v654
+v658

lib/Topup.php

@@ -23,7 +23,7 @@
  * @property null|string $failure_message Message to user further explaining reason for top-up failure if available.
  * @property bool $livemode Has the value <code>true</code> if the object exists in live mode or the value <code>false</code> if the object exists in test mode.
  * @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|\Stripe\Source $source For most Stripe users, the source of every top-up is a bank account. This hash is then the <a href="https://stripe.com/docs/api#source_object">source object</a> describing that bank account.
+ * @property null|\Stripe\Source $source The source field is deprecated. It might not always be present in the API response.
  * @property null|string $statement_descriptor Extra information about a top-up. This will appear on your source's bank statement. It must contain at least one letter.
  * @property string $status The status of the top-up is either <code>canceled</code>, <code>failed</code>, <code>pending</code>, <code>reversed</code>, or <code>succeeded</code>.
  * @property null|string $transfer_group A string that identifies this top-up as part of a group.