composer: allows nette/utils 4.0

Author: dg

composer.json

@@ -19,7 +19,7 @@
 		"nette/component-model": "^3.0",
 		"nette/http": "^3.0.2",
 		"nette/routing": "^3.0.2",
-		"nette/utils": "^3.2.1"
+		"nette/utils": "^3.2.1 || ~4.0.0"
 	},
 	"suggest": {
 		"nette/forms": "Allows to use Nette\\Application\\UI\\Form",