fix: Variable hint

Author: evansims

src/Models/Stateful/User.php

@@ -8,5 +8,5 @@
 
 class User extends \Auth0\Symfony\Models\User implements UserInterface
 {
-    protected $roleAuthenticatedUsing = 'ROLE_USING_SESSION';
+    protected array $roleAuthenticatedUsing = ['ROLE_USING_SESSION'];
 }

src/Models/Stateless/User.php

@@ -8,5 +8,5 @@
 
 class User extends \Auth0\Symfony\Models\User implements UserInterface
 {
-    protected $roleAuthenticatedUsing = 'ROLE_USING_TOKEN';
+    protected array $roleAuthenticatedUsing = ['ROLE_USING_TOKEN'];
 }