Migrate to Node 20

[amazingrando]

Node 16 will end of life in September 2023. We should test and migrate to Node 18 before then.

h/t @cruno91

[cruno91]

I don't have much free time to contribute back, but our fork of Compound was just updated to use Node 18 so this could be useful as a reference for whoever can take on the task: https://bitbucket.org/interpersonal-frequency/design-system/pull-requests/215

[amazingrando]

@cruno91 Thank you!

@callinmullaney FYI.

[callinmullaney]

Emulsify-Drupal now support Node20