Rename TextUpdateReceived property

src/Nocr.TelegramListener.AppServices/UpdateListeners/Handlers/Implementation/NewMessageHandler.cs

@@ -46,7 +46,7 @@ public sealed class NewMessageHandler : INewMessageHandler
                 {
                     From = m.from_id.ID,
                     ChatId = m.peer_id.ID,
-                    ChatUserName = chatUserName,
+                    ChatUsername = chatUserName,
                     Text = m.message,
                     OccuredDateTime = _dateProvider.UtcNow
                 };

src/Nocr.TelegramListener.Async.Api.Contracts/Events/TextUpdateReceived.cs

@@ -10,7 +10,7 @@ public sealed class MessageReceived : IEvent
     
     public long ChatId { get; set; }
     
-    public string ChatUserName { get; set; }
+    public string ChatUsername { get; set; } = default!;
     
     public DateTimeOffset OccuredDateTime { get; set; }
 }