setting default region

Co-authored-by: datashaman <[email protected]>

src/ServiceBusSQSChannel.php

@@ -25,7 +25,7 @@ public function __construct(array $config = [])
     protected function initializeSqsClient(): void
     {
         $this->sqs = new SqsClient([
-            'region' => Arr::get($this->config, 'sqs.region'),
+            'region' => Arr::get($this->config, 'sqs.region', 'eu-west-1'),
             'version' => 'latest',
             'credentials' => [
                 'key' => Arr::get($this->config, 'sqs.key'),