Composer: allow nette/utils 4.0

Author: radimvaculik

composer.json

@@ -36,7 +36,7 @@
     "bunny/bunny": "^0.2.4 || ^0.3 || ^0.4 || ^0.5",
     "symfony/console": "~3.3 || ^4.0 || ^5.0 || ^6.0",
     "nette/di": "^2.4.17 || ^3.0.7",
-    "nette/utils": "^2.5.4 || ^3.2.0"
+    "nette/utils": "^2.5.4 || ^3.2.0 || ^4.0.0"
   },
   "require-dev": {
     "ninjify/nunjuck": "^0.4",