chore(deps-dev): bump serve in /micro-frontends-module-federation/signin

Bumps [serve](https://github.com/vercel/serve) from 13.0.4 to 14.2.1.
- [Release notes](https://github.com/vercel/serve/releases)
- [Commits](vercel/serve@13.0.4...14.2.1)

---
updated-dependencies:
- dependency-name: serve
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>