Node.js v16 version update

[tlylt]

Please confirm that you have searched existing issues in the repo

Yes, I have searched the existing issues

Any related issues?

No response

What is the area that this feature belongs to?

Other

Is your feature request related to a problem? Please describe.

Prepare to upgrade to v16 before v14 EOL (30 Apr 2023)

• https://endoflife.date/nodejs

Describe the solution you'd like

Before the version update, check that

• all user-facing functionalities are working
• no issues with the development setup
• whether related GitHub Actions need to be updated
• any deprecated syntax to be refactored
• docs are updated
• Deployment to Netlify/other platforms is ok

Describe alternatives you've considered

No response

Additional context

No response