Issue #2609110 by andypost, hussainweb: Update Twig to 1.23.1

composer.lock

core/composer.json

vendor/composer/installed.json

vendor/twig/twig/CHANGELOG

vendor/twig/twig/composer.json

vendor/twig/twig/lib/Twig/Cache/Filesystem.php

vendor/twig/twig/lib/Twig/Environment.php

vendor/twig/twig/lib/Twig/Error.php

vendor/twig/twig/lib/Twig/Error/Syntax.php

vendor/twig/twig/lib/Twig/ExpressionParser.php

vendor/twig/twig/lib/Twig/Extension.php

vendor/twig/twig/lib/Twig/Extension/Core.php

vendor/twig/twig/lib/Twig/Extension/Debug.php

vendor/twig/twig/lib/Twig/Extension/Escaper.php

vendor/twig/twig/lib/Twig/Extension/GlobalsInterface.php

vendor/twig/twig/lib/Twig/Extension/InitRuntimeInterface.php

vendor/twig/twig/lib/Twig/Extension/Optimizer.php

vendor/twig/twig/lib/Twig/Extension/Profiler.php

vendor/twig/twig/lib/Twig/Extension/Sandbox.php

vendor/twig/twig/lib/Twig/Extension/Staging.php