set HttpClient timeout from requestData.RequestTimeout (#6062) (#6063)

Author: aldobrynin

src/Elasticsearch.Net/Connection/HandlerTracking/RequestDataHttpClientFactory.cs

@@ -85,6 +85,7 @@ public HttpClient CreateClient(RequestData requestData)
 			var key = HttpConnection.GetClientKey(requestData);
 			var handler = CreateHandler(key, requestData);
 			var client = new HttpClient(handler, disposeHandler: false);
+			client.Timeout = requestData.RequestTimeout;
 			return client;
 		}