chore: update node version in contributing

Author: aadimch

CONTRIBUTING.md

@@ -50,7 +50,7 @@ Our work is done directly on Github and PR's are sent to the GitHub repo by core
 
 This section should get you running with **Amplify JS** and get you familiar with the basics of the codebase. You will need [Node.js](https://nodejs.org/en/) on your system and developing locally also requires `yarn` workspaces. You can install it [here](https://classic.yarnpkg.com/en/docs/install#mac-stable).
 
-The recommended version of Node JS to work with this project is [`16.19.0`](https://nodejs.org/en/blog/release/v16.19.0/) with Yarn version [`1.22.x`](https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md).
+The recommended version of Node JS to work with this project is [`18.18.0`](https://nodejs.org/en/blog/release/v18.18.0/) with Yarn version [`1.22.x`](https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md).
 
 > Note: newer versions of Yarn (2+) remove support for lerna's `--mutex` flag
 > so be sure to use Yarn v1.22.x