Deprecation warning: `Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/cache@v3.`

When I use this action, I get a deprecation warning:

```
Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/cache@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.Show less
```

This is addressed in #99 