Fix AuthenticationExtensionsClientInputs Example prop name for conformance tests passing (#404)

Author: yedidyas

Src/Fido2.Models/Objects/AuthenticationExtensionsClientInputs.cs

@@ -10,7 +10,7 @@ public sealed class AuthenticationExtensionsClientInputs
     /// <summary>
     /// This extension allows for passing of conformance tests
     /// </summary>
-    [JsonPropertyName("example.extension")]
+    [JsonPropertyName("example.extension.bool")]
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public object Example { get; set; }