fix(az.sb.test): add missing queue w/ session teardown (#652)

The Azure Service Bus queue with session-support was not teared down in
the integration tests, this PR fixes that.

Author: stijnmoreels

src/Arcus.Messaging.Tests.Integration/MessagePump/ServiceBusMessagePumpTests.cs

@@ -95,8 +95,9 @@ public async ValueTask DisposeAsync()
         {
             await using var disposables = new DisposableCollection(NullLogger.Instance);
             disposables.Add(Queue);
+            disposables.Add(QueueWithSession);
             disposables.Add(Topic);
             disposables.Add(_client);
         }
     }
-}
+}