Switch to actions/cache@v4

[willryan-stemcell]

actions/cache@v4 was released a couple of weeks ago and moves to Node 20. Please update your reference to use the new version:
https://github.com/actions/cache/releases/tag/v4.0.0

Description

When using composer-install I get this message:

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/.

Steps to reproduce

Run a workflow containing composer-install

Expected behavior

Use latest version of actions/cache (v4)

Screenshots or output

Environment details

• version of this package: ramsey/composer-install@v2
• PHP version: 8.2
• OS: Linux (Ubuntu latest)

Additional context

N/A