Upgrade php to v8.3 with rector

docs/source/development/user-interface/widgets/ChillPersonAddAPersonListWidgetFactory.php

@@ -25,6 +25,7 @@ class ChillPersonAddAPersonListWidgetFactory extends AbstractWidgetFactory
      * see http://symfony.com/doc/current/components/config/definition.html
      *
      */
+    #[\Override]
     public function configureOptions($place, NodeBuilder $node)
     {
         $node->booleanNode('only_active')
@@ -56,6 +57,7 @@ class ChillPersonAddAPersonListWidgetFactory extends AbstractWidgetFactory
      * the service must exists in the container, and it is not required that the service
      * has the `chill_main` tag.
      */
+    #[\Override]
     public function getServiceId(ContainerBuilder $containerBuilder, $place, $order, array $config)
     {
         return 'chill_person.widget.person_list';
@@ -66,6 +68,7 @@ class ChillPersonAddAPersonListWidgetFactory extends AbstractWidgetFactory
      *
      * @return string
      */
+    #[\Override]
     public function getWidgetAlias()
     {
         return 'person_list';