chore(package): update update-notifier to version 4.0.0 (#2670)

Author: greenkeeper[bot]

package.json

@@ -187,7 +187,7 @@
     "superstruct": "~0.6.2",
     "tar-stream": "^2.0.0",
     "temp": "~0.9.0",
-    "update-notifier": "^3.0.1",
+    "update-notifier": "^4.0.0",
     "uri-to-multiaddr": "^3.0.1",
     "varint": "^5.0.0",
     "yargs": "^15.0.1",