Remove Node.js 18.x and 23.x support, add 24.x support

[davidjgoss]

🤔 What's changed?

• Removes support for Node.js 18.x
• Removes support for Node.js 23.x
• Adds support for Node.js 24.x

⚡️ What's your motivation?

Bring us in line with Node.js LTS schedule per https://nodejs.org/en/about/previous-releases

🏷️ What kind of change is this?

• 💥 Breaking change (incompatible changes to the API)

📋 Checklist:

• I agree to respect and uphold the Cucumber Community Code of Conduct
• I've changed the behaviour of the code
  • I have added/updated tests to cover my changes.
• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
• Users should know about my change
  • I have added an entry to the "Unreleased" section of the CHANGELOG, linking to this pull request.

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[coveralls]

coverage: 97.78%. remained the same
when pulling 6599985 on nodejs-updates-for-12-0-0
into 09b9cc3 on main.