Install failed with npm (Unsupported engine)

[mpragliola]

How can we reproduce this bug?

sudo npm i -g foundation-emails
foundation new <project>
cd <project>
npm i

OS: Ubuntu 20.04
npm -v # 8.11.0
node -v # v16.16.0
foundation email template version is 2.4.0. (taken from package.json)

What did you expect to happen?

A working npm install.

What happened instead?

name@host:~/dev/test$ npm i
npm WARN EBADENGINE Unsupported engine {
npm WARN EBADENGINE   package: 'xmlbuilder@2.2.1',
npm WARN EBADENGINE   required: { node: '0.8.x || 0.10.x' },
npm WARN EBADENGINE   current: { node: 'v16.16.0', npm: '8.11.0' }
npm WARN EBADENGINE }

[tnog]

Looks like your node version is not supported. Foundation for Emails only supports up to version 10. See: #1066, #1113