PHP 8.1 support preparations

config/app.php

@@ -26,7 +26,7 @@ return [
     |
     */
 
-    'version' => '2.0.2',
+    'version' => '2.1.0',
 
     /*
     |--------------------------------------------------------------------------
@@ -59,4 +59,6 @@ return [
         Illuminate\Translation\TranslationServiceProvider::class,
     ],
 
+    'locale' => 'en',
+
 ];