chore(deps): update dependency onchange to v4.1.0

Author: renovate-bot

package-lock.json

@@ -62,7 +62,7 @@
     "json": "9.0.6",
     "mversion": "1.12.0",
     "node-sass": "4.9.2",
-    "onchange": "4.0.0",
+    "onchange": "4.1.0",
     "postcss-cli": "5.0.1",
     "prettier": "1.13.7",
     "pretty-bytes-cli": "2.0.0",