[TASK] Update the dependencies (#56)

Author: oliverklee

composer.json

@@ -37,7 +37,7 @@
         "squizlabs/php_codesniffer": "^3.2.0",
         "phpstan/phpstan": "^0.7.0",
         "nette/caching": "^2.5.0 || ^3.0.0",
-        "nikic/php-parser": "^3.0.0",
+        "nikic/php-parser": "^3.1.0",
         "phpmd/phpmd": "^2.6.0"
     },
     "autoload": {