Fix typo

app/Auth/BearerTokenResponse.php

@@ -17,7 +17,7 @@ class BearerTokenResponse extends \League\OAuth2\Server\ResponseTypes\BearerToke
     protected function getExtraParams(AccessTokenEntityInterface $accessToken)
     {
         return [
-            'scopes' => array_map(fn ($scope) => $scope->getIdentifier(), $accessToken->getScopes()),
+            'scope' => array_map(fn ($scope) => $scope->getIdentifier(), $accessToken->getScopes()),
             'created_at' => time(),
         ];
     }