Update twig requirements

Author: Nyholm

composer.json

@@ -21,7 +21,7 @@
         "php-translation/symfony-storage": "^2.0",
         "php-translation/extractor": "^2.0",
         "nyholm/nsa": "^1.1",
-        "twig/twig": "^1.42 || ^2.11"
+        "twig/twig": "^2.11 || ^3.0"
     },
     "require-dev": {
         "symfony/phpunit-bridge": "^4.4 || ^5.0",