The user_check_password() function in plugins/Authentication/Drupal/Drupal.php must be updated to work with the new hash algorithm used since Drupal 10.1, see https://www.drupal.org/node/3322420.
Below is the URL to a patch fixing this problem:
https://gist.github.com/LpSolit/416ab44a4d8de6006e73c6887eb5b0d7