add generated annotation to the interfaces

src/main/java/org/etsi/osl/tmf/gsm674/api/HubApi.java

@@ -22,6 +22,7 @@ import org.springframework.web.context.request.NativeWebRequest;
 import java.io.IOException;
 import java.util.Optional;
 
+@Generated
 @jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.SpringCodegen", date = "2024-04-24T14:24:54.867613034Z[Etc/UTC]", comments = "Generator version: 7.6.0-SNAPSHOT")
 @Validated
 @Tag(name = "events subscription", description = "Endpoints to register and terminate an Event Listener")

src/main/java/org/etsi/osl/tmf/gsm674/api/ListenerApi.java

@@ -24,7 +24,7 @@ import org.springframework.web.context.request.NativeWebRequest;
 
 import java.util.Optional;
 
-
+@Generated
 @jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.SpringCodegen", date = "2024-04-24T14:24:54.867613034Z[Etc/UTC]", comments = "Generator version: 7.6.0-SNAPSHOT")
 @Validated
 @Tag(name = "notification listener", description = "Notifications for Resource Lifecycle and event notifications")