Update generated code for beta

CODEGEN_VERSION

@@ -1 +1 @@
-826bf48af8bcd391512daeaf283b8486347b14c8
+607324895d7883d4a5f04f3c29c26faa09cd31d3

OPENAPI_VERSION

@@ -1 +1 @@
-v2253
+v2254

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;
 
 // event-notification-class-imports: The beginning of the section generated from our OpenAPI spec

src/main/java/com/stripe/events/UnknownEventNotification.java

@@ -1,3 +1,4 @@
+// File copied from our code generator; changes here will be overwritten.
 package com.stripe.events;
 
 import com.google.gson.annotations.SerializedName;

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/main/java/com/stripe/examples/EventNotificationWebhookHandler.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/main/java/com/stripe/model/v2/core/EventNotification.java

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

src/main/java/com/stripe/service/V2Services.java

@@ -21,8 +21,8 @@ public com.stripe.service.v2.CoreService core() {
     return new com.stripe.service.v2.CoreService(this.getResponseGetter());
   }
 
-  public com.stripe.service.v2.DatumService data() {
-    return new com.stripe.service.v2.DatumService(this.getResponseGetter());
+  public com.stripe.service.v2.DataService data() {
+    return new com.stripe.service.v2.DataService(this.getResponseGetter());
   }
 
   public com.stripe.service.v2.ExtendService extend() {

src/main/java/com/stripe/service/v2/DatumService.java → src/main/java/com/stripe/service/v2/DataService.java

@@ -4,8 +4,8 @@
 import com.stripe.net.ApiService;
 import com.stripe.net.StripeResponseGetter;
 
-public final class DatumService extends ApiService {
-  public DatumService(StripeResponseGetter responseGetter) {
+public final class DataService extends ApiService {
+  public DataService(StripeResponseGetter responseGetter) {
     super(responseGetter);
   }
 

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;