[ServiceBus] prep release (#34628)

* update sb changelog

* prep release

Author: swathipil

sdk/servicebus/azure-servicebus/CHANGELOG.md

@@ -9,7 +9,8 @@
 ### Other Changes
 
 - Updated minimum `azure-core` version to 1.28.0.
-- Updated network trace logging to replace `None` values in AMQP connection info with empty strings as per the OpenTelemetry specification ([#32190](https://github.com/Azure/azure-sdk-for-python/issues/32190)).
+- Updated Pure Python AMQP network trace logging to replace `None` values in AMQP connection info with empty strings as per the OpenTelemetry specification ([#32190](https://github.com/Azure/azure-sdk-for-python/issues/32190)).
+- Updated Pure Python AMQP network trace logging error log on connection close to warning (PR #34504, thanks @RichardOberdieck).
 
 ## 7.11.4 (2023-11-13)
 

sdk/servicebus/azure-servicebus/README.md

@@ -36,7 +36,7 @@ pip install azure-servicebus
 To use this package, you must have:
 * Azure subscription - [Create a free account][azure_sub]
 * Azure Service Bus - [Namespace and management credentials][service_bus_namespace]
-* Python 3.7 or later - [Install Python][python]
+* Python 3.8 or later - [Install Python][python]
 
 
 If you need an Azure service bus namespace, you can create it via the [Azure Portal][azure_namespace_creation].

sdk/servicebus/azure-servicebus/samples/README.md

@@ -98,7 +98,7 @@ Both [sync version](https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/
 
 ## Prerequisites
 
-- Python 3.7 or later.
+- Python 3.8 or later.
 - **Microsoft Azure Subscription:**  To use Azure services, including Azure Service Bus, you'll need a subscription.
 If you do not have an existing Azure account, you may sign up for a free trial or use your MSDN subscriber benefits when you [create an account](https://account.windowsazure.com/Home/Index).