Update dependency NServiceBus.Transport.AzureServiceBus to v6

Author: dependencyupdates[bot]

src/ServiceControl.Connector.MassTransit.AzureServiceBus/ServiceControl.Connector.MassTransit.AzureServiceBus.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="NServiceBus.Transport.AzureServiceBus" Version="4.3.0-alpha.1" />
+    <PackageReference Include="NServiceBus.Transport.AzureServiceBus" Version="6.0.0" />
   </ItemGroup>
 
 </Project>