Add note highlighting breaking change #2

Attempt #2 as [last PR](MicrosoftDocs/azure-docs-pr#89148) was marked as merged, but was somehow lost.

Author: craigshoemaker

articles/azure-functions/functions-bindings-service-bus.md

@@ -30,6 +30,9 @@ The Service Bus bindings are provided in the [Microsoft.Azure.WebJobs.ServiceBus
 
 The Service Bus bindings are provided in the [Microsoft.Azure.WebJobs.Extensions.ServiceBus](https://www.nuget.org/packages/Microsoft.Azure.WebJobs.Extensions.ServiceBus) NuGet package, version 3.x. Source code for the package is in the [azure-webjobs-sdk](https://github.com/Azure/azure-webjobs-sdk/blob/master/src/Microsoft.Azure.WebJobs.Extensions.ServiceBus/) GitHub repository.
 
+> [!NOTE]
+> Version 2.x does not create the topic or subscription configured in the `ServiceBusTrigger` instance. Version 2.x is based on [Microsoft.Azure.ServiceBus](https://www.nuget.org/packages/Microsoft.Azure.ServiceBus) and does not handle queue management.
+
 [!INCLUDE [functions-package-v2](../../includes/functions-package-v2.md)]
 
 ## Trigger