bump Twig to actual version (#382)

Co-authored-by: Nikolay Lobachev <[email protected]>

Author: novia713

composer.json

@@ -55,7 +55,7 @@
         "symfony/process": "~3.0|^4.4",
         "symfony/translation": "~3.0|^4.4",
         "symfony/yaml": "~3.0|^4.4",
-        "twig/twig": "^1.38.2|^2.12.0",
+        "twig/twig": "^2.15.13|^3.0",
         "webflo/drupal-finder": "^1.0",
         "webmozart/path-util": "^2.3",
         "guzzlehttp/guzzle": "~6.1"