Update node

[doglaza]

The following actions uses node12 which is deprecated and will be forced to run on node16: endre-spotlab/fast-forward-js-action@2.1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

[liny01-nbsa]

It's now time to use Node 20 as default.