Update CloudTasksQueue.php

use milliseconds to avoid duplicate task name

Author: ted-selig-five9

src/CloudTasksQueue.php

@@ -200,7 +200,7 @@ private function taskName(string $queueName, array $payload): string
             $this->config['project'],
             $this->config['location'],
             $queueName,
-            $displayName . '-' . $payload['uuid'] . '-' . Carbon::now()->getTimestamp(),
+            $displayName . '-' . $payload['uuid'] . '-' . Carbon::now()->getTimeStampMs(),
         );
     }