chore: adds missing 'JsonProperty' annotations to models

src/ClientContacts/Models/GetClientContactsResponse.cs

@@ -1,9 +1,11 @@
 using System.Collections.Generic;
+using Newtonsoft.Json;
 
 namespace Novaloop.PaymoApi.ClientContacts.Models
 {
     public class GetClientContactsResponse
     {
+        [JsonProperty("clientcontacts")]
         public IEnumerable<PaymoClientContact> ClientContacts { get; set; }
     }
 }