Issue #2472961 by lussoluca: Update Twig to latest stable

core/composer.json

core/composer.lock

core/vendor/composer/installed.json

core/vendor/twig/twig/.gitignore

core/vendor/twig/twig/CHANGELOG

core/vendor/twig/twig/composer.json

core/vendor/twig/twig/doc/advanced.rst

core/vendor/twig/twig/doc/advanced_legacy.rst

core/vendor/twig/twig/doc/api.rst

core/vendor/twig/twig/doc/filters/batch.rst

core/vendor/twig/twig/doc/filters/index.rst

core/vendor/twig/twig/doc/filters/slice.rst

core/vendor/twig/twig/doc/installation.rst

core/vendor/twig/twig/doc/intro.rst

core/vendor/twig/twig/doc/tags/if.rst

core/vendor/twig/twig/doc/tags/index.rst

core/vendor/twig/twig/doc/templates.rst

core/vendor/twig/twig/ext/twig/php_twig.h

core/vendor/twig/twig/lib/Twig/Autoloader.php

core/vendor/twig/twig/lib/Twig/Compiler.php