Bump serve-static from 1.14.2 to 1.16.2 in /examples/Spar/Server/Clie…

…ntApp (#2536)

Bumps [serve-static](https://github.com/expressjs/serve-static) from 1.14.2 to 1.16.2.
- [Release notes](https://github.com/expressjs/serve-static/releases)
- [Changelog](https://github.com/expressjs/serve-static/blob/v1.16.2/HISTORY.md)
- [Commits](expressjs/serve-static@v1.14.2...v1.16.2)

---
updated-dependencies:
- dependency-name: serve-static
  dependency-type: indirect
...

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