TASK: relax version constraint to support Neos 4.x

Author: dimaip

composer.json

@@ -3,7 +3,7 @@
     "type": "neos-package",
     "description": "Foundation Grid",
     "require": {
-        "neos/neos": "^3.0",
+        "neos/neos": "^3.0|^4.0",
         "flowpack/nodetemplates": "@dev"
     },
     "license": "LGPL-3.0+",