The core/jquery.cookie asset library is deprecated

Problem/Motivation

The core/jquery.cookie asset library is deprecated in Drupal 9.0.0 and will be removed in Drupal 10.0.0

Steps to reproduce

run upgrade_status module

Proposed resolution

The 'main-language' library is depending on a deprecated library. The core/jquery.cookie asset library is deprecated in Drupal 9.0.0 and will be removed in Drupal 10.0.0. Use the core/js-cookie library instead. See https://www.drupal.org/node/3104677 →

Remaining tasks

User interface changes

API changes

Data model changes