v2.1.0

• Allow logging exceptions during service instantiation.
• Custom ActorService can be passed to RegisterActor.
• Lifetime scope tag for actors and services can now be specified during registration.
• Upgraded Autofac.Extras.DynamicProxy to 4.5.0.
• Switched from symbol server to SourceLink support.
• Upgraded Service Fabric packages to 6.3.187.