chore: Use "Response" constansts for HTTP codes

Signed-off-by: Matias Perrone <github@matiasperrone.com>

Author: matiasperrone

app/Http/Controllers/Apis/Protected/Main/OAuth2GroupsApiController.php

@@ -110,7 +110,7 @@ public function __construct
         ],
         responses: [
             new OA\Response(
-                response: 200,
+                response: Response::HTTP_OK,
                 description: 'Success - Returns paginated list of groups',
                 content: new OA\JsonContent(ref: '#/components/schemas/PaginatedGroupsResponse')
             ),