fix review comment

Author: yumkam

ydb/library/yql/providers/generic/actors/yql_generic_lookup_actor.cpp

@@ -191,11 +191,11 @@ namespace NYql::NDq {
         void Handle(TEvError::TPtr ev) {
             auto actorSystem = TActivationContext::ActorSystem();
             auto error = ev->Get()->Error;
-            auto errEv = new IDqComputeActorAsyncInput::TEvAsyncInputError(
+            auto errEv = std::make_unique<IDqComputeActorAsyncInput::TEvAsyncInputError>(
                                   -1,
                                   NConnector::ErrorToIssues(error),
                                   NConnector::ErrorToDqStatus(error));
-            actorSystem->Send(new NActors::IEventHandle(ParentId, SelfId(), errEv));
+            actorSystem->Send(new NActors::IEventHandle(ParentId, SelfId(), errEv.release()));
         }
 
         void Handle(NActors::TEvents::TEvPoison::TPtr) {