Update generated code for beta

CODEGEN_VERSION

@@ -1 +1 @@
-cd4bf5c733abad0866909d0fcb66d936b11a5fd9
+13577a2743a2f8ccf95e55820cd36714187e7dea

OPENAPI_VERSION

@@ -1 +1 @@
-v2393
+v2432

src/main/java/com/stripe/EventNotificationCallback.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe;
 
 import com.stripe.model.v2.core.EventNotification;

src/main/java/com/stripe/EventNotificationFallbackCallback.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe;
 
 import com.stripe.model.v2.core.EventNotification;

src/main/java/com/stripe/StripeEventNotificationHandler.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe;
 
 import com.stripe.exception.SignatureVerificationException;

src/main/java/com/stripe/StripeEventNotificationHandlerBase.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe;
 
 // event-notification-class-imports: The beginning of the section generated from our OpenAPI spec

src/main/java/com/stripe/StripeEventNotificationHandlerWithoutVerification.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe;
 
 import com.stripe.model.v2.core.EventNotification;

src/main/java/com/stripe/UnhandledNotificationDetails.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe;
 
 /**

src/main/java/com/stripe/examples/EventNotificationHandlerEndpoint.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe.examples;
 
 import com.stripe.StripeClient;

src/test/java/com/stripe/StripeEventNotificationHandlerTest.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;