Adding Application.Shutdown and updating ReactiveUI.Fody. (#1550)

Thanks.

ReactiveExample/Program.cs

@@ -9,6 +9,7 @@ namespace ReactiveExample {
 			RxApp.MainThreadScheduler = TerminalScheduler.Default;
 			RxApp.TaskpoolScheduler = TaskPoolScheduler.Default;
 			Application.Run (new LoginView (new LoginViewModel ()));
+			Application.Shutdown ();
 		}
 	}
 }

ReactiveExample/ReactiveExample.csproj

@@ -4,7 +4,7 @@
         <TargetFramework>net6.0</TargetFramework>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="ReactiveUI.Fody" Version="16.3.10" />
+        <PackageReference Include="ReactiveUI.Fody" Version="17.1.9" />
         <PackageReference Include="ReactiveUI" Version="17.1.9" />
         <PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.1.4" PrivateAssets="all" />
     </ItemGroup>