PHP 7.4x Deprecated: Array and string offset access syntax with curly braces is deprecated in

Created by: Rar9

With civicrm i get for Drupal 9 with php 7.4x this error

Deprecated: Array and string offset access syntax with curly braces is deprecated in /var/www/vhosts/xxx/web/sites/default/files/civicrm/ext/uk.co.vedaconsulting.gdpr/gdpr.civix.php on line 246