Downstream dependencies require node 20, not 18

[dustinrue]

Describe the bug

When trying to install @wordpress/create-block (at least) requires node 20 but the .nvmrc file defines 18.

Now using node v18.20.3 (npm v10.7.0)
npm error code EBADENGINE
npm error engine Unsupported engine
npm error engine Not compatible with your version of node/npm: @wordpress/create-block@4.43.0
npm error notsup Not compatible with your version of node/npm: @wordpress/create-block@4.43.0
npm error notsup Required: {"npm":">=10.2.3","node":">=20.10.0"}
npm error notsup Actual:   {"npm":"10.7.0","node":"v18.20.3"}

Modifying .nvmrc to spec node 20 allows the install to complete but I don't know if it causes any other issues. Additionally, the README says node 16 or greater is required.

Steps to Reproduce

1. Have the latest release of WP Scaffold
2. Use nvm install/use
3. run npm install

Screenshots, screen recording, code snippet

No response

Environment information

No response

WordPress information

No response

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