perf: use `node:` prefix to bypass require.cache call for builtins

[Fdawgs]

See https://github.com/fastify/fastify-static/pull/407

Checklist

• [ ] run npm run test and npm run benchmark
• [ ] tests and/or benchmarks are included
• [ ] documentation is changed or added
• [ ] commit message and code follows the Developer's Certification of Origin and the Code of conduct