Update generated code

OPENAPI_VERSION

@@ -1 +1 @@
-v540
+v563

lib/stripe/resources/mandate.rb

@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 module Stripe
-  # A Mandate is a record of the permission a customer has given you to debit their payment method.
+  # A Mandate is a record of the permission that your customer gives you to debit their payment method.
   class Mandate < APIResource
     OBJECT_NAME = "mandate"
   end

lib/stripe/resources/payout.rb

@@ -5,7 +5,7 @@ module Stripe
   # A `Payout` object is created when you receive funds from Stripe, or when you
   # initiate a payout to either a bank account or debit card of a [connected
   # Stripe account](https://stripe.com/docs/connect/bank-debit-card-payouts). You can retrieve individual payouts,
-  # as well as list all payouts. Payouts are made on [varying
+  # and list all payouts. Payouts are made on [varying
   # schedules](https://stripe.com/docs/connect/manage-payout-schedule), depending on your country and
   # industry.
   #

lib/stripe/resources/refund.rb

@@ -2,9 +2,9 @@
 # frozen_string_literal: true
 
 module Stripe
-  # `Refund` objects allow you to refund a charge that has previously been created
-  # but not yet refunded. Funds will be refunded to the credit or debit card that
-  # was originally charged.
+  # Refund objects allow you to refund a previously created charge that isn't
+  # refunded yet. Funds are refunded to the credit or debit card that's
+  # initially charged.
   #
   # Related guide: [Refunds](https://stripe.com/docs/refunds)
   class Refund < APIResource

lib/stripe/resources/setup_attempt.rb

@@ -3,7 +3,7 @@
 
 module Stripe
   # A SetupAttempt describes one attempted confirmation of a SetupIntent,
-  # whether that confirmation was successful or unsuccessful. You can use
+  # whether that confirmation is successful or unsuccessful. You can use
   # SetupAttempts to inspect details of a specific attempt at setting up a
   # payment method using a SetupIntent.
   class SetupAttempt < APIResource

test/stripe/generated_examples_test.rb

@@ -2170,6 +2170,12 @@ class CodegennedExampleTest < Test::Unit::TestCase
         assert_requested :post, "#{Stripe.api_base}/v1/subscriptions"
       end
     end
+    context "Subscription.delete_discount" do
+      should "support requests with args: subscription_exposed_id" do
+        Stripe::Subscription.delete_discount("sub_xyz")
+        assert_requested :delete, "#{Stripe.api_base}/v1/subscriptions/sub_xyz/discount?"
+      end
+    end
     context "Subscription.list" do
       should "support requests with args: limit" do
         Stripe::Subscription.list({ limit: 3 })