Appropriately Set gRPC Client Max Send and Receive Message Length (#226)

Author: js8080

src/Senders/Jaeger.Senders.Grpc/GrpcSender.cs

@@ -61,7 +61,13 @@ public GrpcSender(string target, ChannelCredentials credentials, int maxPacketSi
                 maxPacketSize = MaxPacketSize;
             }
 
-            _channel = new Channel(target, credentials);
+            var channelOptions = new List<ChannelOption>()
+            {
+                new ChannelOption(ChannelOptions.MaxSendMessageLength, maxPacketSize),
+                new ChannelOption(ChannelOptions.MaxReceiveMessageLength, maxPacketSize)
+            };
+
+            _channel = new Channel(target, credentials, channelOptions);
             _client = new CollectorService.CollectorServiceClient(_channel);
             _maxPacketSize = maxPacketSize;
         }