Added symfony/templating to avoid an error in LogoutUrlHelper

Author: javiereguiluz

composer.json

@@ -22,6 +22,7 @@
         "symfony/polyfill-apcu": "^1.4",
         "symfony/security-bundle": "^3.3",
         "symfony/swiftmailer-bundle": "^3.0",
+        "symfony/templating": "^3.3",
         "symfony/translation": "^3.3",
         "symfony/validator": "^3.3",
         "symfony/var-dumper": "^3.3",