Fixed Rutanio.Node build (#177)

Co-authored-by: checho1989 <cheverdolaga@hotmail.com>

Author: turcol

src/Networks/Rutanio/Rutanio.Node/Program.cs

@@ -31,7 +31,7 @@ public static async Task Main(string[] args)
                     .UsePosConsensus()
                     .UseMempool()
                     .AddPowPosMining()
-                    .UseColdStakingWallet();
+                    .UseColdStakingWallet()
                     .UseDiagnosticFeature()
                     .UseNodeHost()
                     .AddRPC();