Updating Symfony lib and dependencies: forgot a few files + composer.lock

lib/symfony/polyfill-util/Binary.php

@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Polyfill\Util;
+
+if (\extension_loaded('mbstring')) {
+    class Binary extends BinaryOnFuncOverload
+    {
+    }
+} else {
+    class Binary extends BinaryNoFuncOverload
+    {
+    }
+}