fixing hardcoded label text

Author: weaverryan

src/Maker/MakeAuthenticator.php

@@ -281,7 +281,7 @@ private function generateFormLoginFiles(string $controllerClass, string $userNam
             [
                 'username_field' => $userNameField,
                 'username_is_email' => false !== stripos($userNameField, 'email'),
-                'username_label' => ucfirst(implode(' ', preg_split('/(?=[A-Z])/', 'oneTwoThree'))),
+                'username_label' => ucfirst(implode(' ', preg_split('/(?=[A-Z])/', $userNameField))),
             ]
         );
     }