fix: call to undefined method onQueue

Author: chenghung

src/CallWebhookJob.php

@@ -8,6 +8,7 @@
 use GuzzleHttp\Exception\ConnectException;
 use GuzzleHttp\Exception\RequestException;
 use GuzzleHttp\Psr7\Response;
+use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
@@ -20,7 +21,7 @@
 
 class CallWebhookJob  implements ShouldQueue
 {
-    use Dispatchable, InteractsWithQueue, SerializesModels;
+    use Dispatchable, InteractsWithQueue, SerializesModels, Queueable;
 
     public ?array $body;
     public ?string $endpoint;