Update dependency nette/neon to v3.4.4

Author: renovate[bot]

composer.json

@@ -18,7 +18,7 @@
 		"jetbrains/phpstorm-stubs": "dev-master#56e49161f6f411647350b769efe7c640bd9010d1",
 		"nette/bootstrap": "^3.0",
 		"nette/di": "^3.1.4",
-		"nette/neon": "3.3.4",
+		"nette/neon": "3.4.4",
 		"nette/php-generator": "3.6.9",
 		"nette/schema": "^1.2.2",
 		"nette/utils": "^3.2.5",