Update rollup-plugin-node-resolve to the latest version 🚀 (#2398)

* chore(package): update rollup-plugin-node-resolve to version 4.2.1

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -67,7 +67,7 @@
     "rollup": "1.9.0",
     "rollup-plugin-babel": "4.3.1",
     "rollup-plugin-buble": "^0.19.6",
-    "rollup-plugin-node-resolve": "4.2.0",
+    "rollup-plugin-node-resolve": "4.2.1",
     "rollup-plugin-sizes": "^0.5.1",
     "uglify-js": "3.5.3"
   },