Smarty 5 error

[adixon]

Using 1.3-beta3 with Drupal 10.4.3, php8.2

[Error]                                                        
  Cannot access protected property Smarty\Smarty::$template_dir  
                                                                 

Exception trace:
  at /var/www/drupal/vendor/civicrm/civicrm-packages/smarty5/Smarty.php:37
 Smarty->__get() at /var/www/drupal/web/sites/default/files/civicrm/ext/de.systopia.householdmerge/householdmerge.civix.php:99

[adixon]

I would assume a simple civix upgrade would resolve this, let me know if you want PR for it.