Require phpdoc-parser ^0.4

Author: ondrejmirtes

composer.json

@@ -19,7 +19,7 @@
 	"require": {
 		"php": "~7.1",
 		"phpstan/phpstan": "^0.12",
-		"phpstan/phpdoc-parser": "^0.3",
+		"phpstan/phpdoc-parser": "^0.4",
 		"nikic/php-parser": "^4.0"
 	},
 	"require-dev": {