feat: add reserved port validation (#55237)
### Fixing a bug
- [x] Related issues linked using `fixes #number`
- [x] Tests added. See: https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs
- [x] Errors have a helpful link attached, see https://github.com/vercel/next.js/blob/canary/contributing.md
Closes NEXT-
Fixes #55050
Co-authored-by: Steven <229881+styfle@users.noreply.github.com>
Co-authored-by: Tim Neutkens <6324199+timneutkens@users.noreply.github.com>
