docs: use an actively maintained package for the NodeJS version badge

Author: ringods

README.md

@@ -13,7 +13,7 @@ If you'd like to see what a front-end project built with Pattern Lab looks like,
 ![license](https://img.shields.io/github/license/pattern-lab/patternlab-node.svg)
 [![Coverage Status](https://coveralls.io/repos/github/pattern-lab/patternlab-node/badge.svg?branch=master)](https://coveralls.io/github/pattern-lab/patternlab-node?branch=master)
 [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)](https://github.com/prettier/prettier)
-[![node (scoped)](https://img.shields.io/node/v/@pattern-lab/patternlab-node.svg)]()
+[![node (scoped)](https://img.shields.io/node/v/@pattern-lab/core.svg)]()
 [![Join the chat at Gitter](https://badges.gitter.im/pattern-lab/node.svg)](https://gitter.im/pattern-lab/node)
 
 Docs @ [![Netlify Status](https://api.netlify.com/api/v1/badges/d454dbde-02c5-4bd4-8393-4ab75e862b03/deploy-status)](https://app.netlify.com/sites/patternlab-docs-preview/deploys)