Merge pull request #4470 from michaeldyrynda/chore/consistent-aws-env-vars

Update AWS environment variable defaults

config/filesystems.php

@@ -57,9 +57,9 @@ return [
 
         's3' => [
             'driver' => 's3',
-            'key' => env('AWS_KEY'),
+            'key' => env('AWS_ACCESS_KEY_ID'),
-            'secret' => env('AWS_SECRET'),
+            'secret' => env('AWS_SECRET_ACCESS_KEY'),
-            'region' => env('AWS_REGION'),
+            'region' => env('AWS_DEFAULT_REGION'),
             'bucket' => env('AWS_BUCKET'),
         ],