Add more environment variables for S3 filesystem options

config/backups.php

@@ -33,6 +33,8 @@ return [
             // backup for that server lives within that folder.
             'prefix' => env('AWS_BACKUPS_BUCKET') ?? '',
 
+            'endpoint' => env('AWS_ENDPOINT'),
+            'use_path_style_endpoint' => env('AWS_USE_PATH_STYLE_ENDPOINT', false),
             'use_accelerate_endpoint' => env('AWS_BACKUPS_USE_ACCELERATE', false),
         ],
     ],