Require Node.js version 18 (or later) in preparation for version 16 EOL

[ptitzler]

Closes #3104

What changes were proposed in this pull request?

• Replace all references to Node.js version 16+ to Node.js version 18+

CI setup does not require updates because version 18 or later is already used

How was this pull request tested?

👀

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[kevin-bates]

LGTM