Update to Node 20.x in all the places

[Maffooch]

This PR updates to Node 20.x since it is in LTS until May of 2026

I went through all of the major pages in the app and looked for console warnings/errors and did not find anything :) I believe this to be because yarn is being used as the package manager

[sc-3685]

[dryrunsecurity]

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[mtesauro]

Approved