Codegen for openapi v204

OPENAPI_VERSION

@@ -1 +1 @@
-v184
+v204

lib/stripe/resources/refund.rb

@@ -6,6 +6,10 @@ module Stripe
   # but not yet refunded. Funds will be refunded to the credit or debit card that
   # was originally charged.
   #
+  # Stripe Tax users with recurring payments and invoices can create [Credit Notes](https://stripe.com/docs/api/credit_notes),
+  # which reduce overall tax liability because tax is correctly recalculated and
+  # apportioned to the related invoice.
+  #
   # Related guide: [Refunds](https://stripe.com/docs/refunds).
   class Refund < APIResource
     extend Stripe::APIOperations::Create

lib/stripe/resources/source.rb

@@ -7,6 +7,10 @@ module Stripe
   # just like a `Card` object: once chargeable, they can be charged, or can be
   # attached to customers.
   #
+  # Stripe doesn't recommend using the deprecated [Sources API](https://stripe.com/docs/api/sources).
+  # We recommend that you adopt the [PaymentMethods API](https://stripe.com/docs/api/payment_methods).
+  # This newer API provides access to our latest features and payment method types.
+  #
   # Related guides: [Sources API](https://stripe.com/docs/sources) and [Sources & Customers](https://stripe.com/docs/sources/customers).
   class Source < APIResource
     extend Stripe::APIOperations::Create