The 'banner' library is depending on a deprecated library. The core/js-cookie asset library is deprecated in Drupal 10.1.0 and will be removed in Drupal 11.0.0. There is no replacement. See https://www.drupal.org/node/3322720
Results are from dataset #256676 from 2024-08-17T19:58. Report is ran by the Drupal Association regularly.