Upgrade gulp 4.0.0 -> 4.0.1

Author: ehmicky

package-lock.json

@@ -61,7 +61,7 @@
   "devDependencies": {
     "ava": "^1.4.1",
     "execa": "^1.0.0",
-    "gulp": "^4.0.0",
+    "gulp": "^4.0.1",
     "gulp-shared-tasks": "^0.27.24",
     "has-ansi": "^3.0.0",
     "husky": "^1.3.1",