Update ServicesExtensions.cs (#275)

* Update ServicesExtensions.cs

replace string format by index with names

* Update src/protobuf-net.Grpc.AspNetCore/ServicesExtensions.cs

Co-authored-by: Meir Kriheli <[email protected]>

---------

Co-authored-by: Marc Gravell <[email protected]>
Co-authored-by: Meir Kriheli <[email protected]>

Author: 3 people

src/protobuf-net.Grpc.AspNetCore/ServicesExtensions.cs

@@ -43,7 +43,7 @@ public CodeFirstServiceMethodProvider(ILoggerFactory loggerFactory, BinderConfig
             void IServiceMethodProvider<TService>.OnServiceMethodDiscovery(ServiceMethodProviderContext<TService> context)
             {
                 int count = new Binder(_logger).Bind<TService>(context, _binderConfiguration);
-                if (count != 0) _logger.Log(LogLevel.Information, "RPC services being provided by {0}: {1}", typeof(TService), count);
+                if (count != 0) _logger.Log(LogLevel.Information, "RPC services being provided by {Service}: {Count}", typeof(TService), count);
             }
         }
         private sealed class Binder : ServerBinder
@@ -89,4 +89,4 @@ protected override bool TryBind<TService, TRequest, TResponse>(ServiceBindContex
             }
         }
     }
-}
+}