chore: nullable meta.trans_pending

Author: DavidRouyer

src/Pipedrive.net/Models/Common/Webhooks/Meta.cs

@@ -41,7 +41,7 @@ public class Meta
         public string[] PermittedUserIds { get; set; }
 
         [JsonProperty("trans_pending")]
-        public bool TransPending { get; set; }
+        public bool? TransPending { get; set; }
 
         [JsonProperty("is_bulk_update")]
         public bool IsBulkUpdate { get; set; }