Use correct env name for AWS region from env.example

config/cache.php

@@ -80,7 +80,7 @@ return [
             'driver' => 'dynamodb',
             'key' => env('AWS_ACCESS_KEY_ID'),
             'secret' => env('AWS_SECRET_ACCESS_KEY'),
-            'region' => env('AWS_REGION', 'us-east-1'),
+            'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
             'table' => env('DYNAMODB_CACHE_TABLE', 'cache'),
         ],
 

config/queue.php

@@ -55,7 +55,7 @@ return [
             'secret' => env('AWS_SECRET_ACCESS_KEY'),
             'prefix' => env('SQS_PREFIX', 'https://sqs.us-east-1.amazonaws.com/your-account-id'),
             'queue' => env('SQS_QUEUE', 'your-queue-name'),
-            'region' => env('AWS_REGION', 'us-east-1'),
+            'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
         ],
 
         'redis' => [

config/services.php

@@ -27,7 +27,7 @@ return [
     'ses' => [
         'key' => env('AWS_ACCESS_KEY_ID'),
         'secret' => env('AWS_SECRET_ACCESS_KEY'),
-        'region' => env('AWS_REGION', 'us-east-1'),
+        'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
     ],
 
     'sparkpost' => [