Add tests for multiple Node.js versions (v18 and v19)

[gajus]

Unfortunately tests for windows could not have been added due to hitting this issue

https://github.com/google/zx/issues/482

[github-actions[bot]]

:tada: This PR is included in version 2.4.0 :tada:

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

Your semantic-release bot :package::rocket: