fix(ClientParams): Umbenennung von OnMessageReceived in OnPublicKeyReceived

DigitalData.Auth.Tests/API/AuthHubTests.cs

@@ -98,7 +98,7 @@ public class AuthHubTests
         var provider_receiver = Build(opt =>
         {
             opt.Url = _hubUrl;
-            opt.OnMessageReceived += (client, issuer, audience, key, logger) =>
+            opt.OnPublicKeyReceived += (client, issuer, audience, key, logger) =>
             {
                 rcv_issuer = issuer;
                 rcv_audience = audience;