Update ChangeLog.md

Author: michaelklishin

ChangeLog.md

@@ -9,3 +9,7 @@ GH issue: [rabbitmq-dotnet-client#239](https://github.com/rabbitmq/rabbitmq-dotn
 ### Occasional `NullReferenceException` in Endpoint Resolution
 
 GH issue: [rabbitmq-dotnet-client#238](https://github.com/rabbitmq/rabbitmq-dotnet-client/issues/238)
+
+### TcpClientAdapter Didn't Respect IP Address Family
+
+GH issue: [rabbitmq-dotnet-client#244](https://github.com/rabbitmq/rabbitmq-dotnet-client/issues/244)