Fix deprecated usage of TwigExtension

src/TwigExtensions/VkEntityIdentifierTwig.php

@@ -3,13 +3,14 @@
 namespace Drupal\vk_entity_identifier\TwigExtensions;
 
 use Drupal\vk_entity_identifier\VkEntityIdentifier;
-
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
 
 /**
  * Class VkEntityIdentifierTwig
  * @package Drupal\vk_entity_identifier\TwigExtensions
  */
-class VkEntityIdentifierTwig extends \Twig_Extension
+class VkEntityIdentifierTwig extends AbstractExtension
 {
   /**
    * @return array
@@ -17,7 +18,7 @@ class VkEntityIdentifierTwig extends \Twig_Extension
   public function getFunctions()
   {
     return [
-      new \Twig_SimpleFunction('vk_entity_identifier_url', [
+      new TwigFunction('vk_entity_identifier_url', [
         $this,
         'getEntityUrl',
       ], ['is_safe' => ['html']]),