chore: Update to Node 20 (#6385)
* Update to Node 22
* go to node 20 instead
* fix formatting test
* run verdaccio build
* turn off verdaccio build
* try limiting concurrent tests
* try to debug on ci where error happens more
* keep debugging
* try a longer timeout
* remove debugging
* turn on verdaccio build
* fix lint
* update yarn lock
* fix verdaccio and tsdiffer
* fix node corepack
* fix forkpoint
* try to fix buildWebsite
* turn verdaccio build back off
* fix rebase
* turn on verdaccio on CI
* turn off verdaccio again and remove concurrency restriction
* turn back on verdaccio
* fix spectrum-css local builder
* remove obselete patch
* fix lint and flakey ssr
* remove verdaccio
* update to latest node 20
* remove leftovers
