Is your feature request related to a problem? Please describe.

Not directly related to the project itself, it's about its CI:

• Add cache to workflows using actions/setup-node

Describe the solution you'd like

PR drafted here with the solution, I think it's easier than explaining the solution: #120

Describe alternatives you've considered

No alternatives as far as I know.

How important is this feature to you?

Not important to me, I think it can improve developer experience to maintainers and contributions in the CI execution times.

Additional context

setup-node GitHub Action just released a new option to add cache to steps using it.

You can find the details here: https://github.blog/changelog/2021-07-02-github-actions-setup-node-now-supports-dependency-caching/