chore: Upgrade nikic/php-parser from 4.5.x to 4.6.x

Author: williamdes

composer.json

@@ -23,7 +23,7 @@
         "php": ">=7.1.3",
         "pimple/pimple": "~3.0",
         "twig/twig": "~2.12",
-        "nikic/php-parser": "~4.5",
+        "nikic/php-parser": "~4.6",
         "michelf/php-markdown": "~1.3",
         "symfony/console": "~4.3|~5.1|~5.2",
         "symfony/finder": "~4.3|~5.1|~5.2",