[WebLink][TwigBundle] Fix registration of the twig extension

src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php

@@ -55,6 +55,7 @@ class TwigExtension extends Extension
             $definition = $container->register('twig.extension.weblink', WebLinkExtension::class);
             $definition->setPublic(false);
             $definition->addArgument(new Reference('request_stack'));
+            $definition->addTag('twig.extension');
         }
 
         foreach ($configs as $key => $config) {

src/Symfony/Bundle/TwigBundle/composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=5.5.9",
         "symfony/config": "~3.2",
-        "symfony/twig-bridge": "^3.2.1",
+        "symfony/twig-bridge": "^3.3",
         "symfony/http-foundation": "~2.8|~3.0",
         "symfony/http-kernel": "^3.3",
         "twig/twig": "^1.32|^2.2"