Issue #3448936: Character encoding was fixed upstream

drupalorg/drupalorg.drush.inc

@@ -2152,13 +2152,13 @@ function drush_drupalorg_keycloak_integrity_check($log_filename = null) {
     $drupal_users_data[$drupal_user->uid] = [
       $drupal_user->uid,
       $drupal_user->authname,
-      mb_convert_encoding($drupal_user->name, 'ASCII', 'UTF-8'),
+      $drupal_user->name,
       $drupal_user->mail,
       (bool) $drupal_user->status,
       $drupal_user->created,
       empty($drupal_user->timezone) ? '' : (string) $drupal_user->timezone,
-      !empty($drupal_user->firstname) ? trim(mb_convert_encoding($drupal_user->firstname, 'ASCII', 'UTF-8')) : '',
-      !empty($drupal_user->lastname) ? trim(mb_convert_encoding($drupal_user->lastname, 'ASCII', 'UTF-8')) : '',
+      !empty($drupal_user->firstname) ? trim($drupal_user->firstname) : '',
+      !empty($drupal_user->lastname) ? trim($drupal_user->lastname) : '',
       empty($drupal_user->pre_auth_role),
       (bool) $drupal_user->confirmed,
       (bool) $drupal_user->tfa_created,