Update BetterReflection - fixes bug with namespaced constants

Author: ondrejmirtes

composer.json

@@ -21,7 +21,7 @@
 		"nette/utils": "dev-master as 3.1.99",
 		"nikic/php-parser": "4.7.0",
 		"ondram/ci-detector": "^3.4.0",
-		"ondrejmirtes/better-reflection": "4.3.22",
+		"ondrejmirtes/better-reflection": "4.3.23",
 		"phpdocumentor/reflection-docblock": "4.3.4",
 		"phpstan/phpdoc-parser": "^0.4.8",
 		"react/child-process": "^0.6.1",