Bump cookie, fastify and fastify-now in /example

Bumps [cookie](https://github.com/jshttp/cookie) to 0.7.2 and updates ancestor dependencies [cookie](https://github.com/jshttp/cookie), [fastify](https://github.com/fastify/fastify) and [fastify-now](https://github.com/yonathan06/fastify-now). These dependencies need to be updated together.


Updates `cookie` from 0.4.1 to 0.7.2
- [Release notes](https://github.com/jshttp/cookie/releases)
- [Commits](jshttp/cookie@v0.4.1...v0.7.2)

Updates `fastify` from 3.29.4 to 5.0.0
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v3.29.4...v5.0.0)

Updates `fastify-now` from 2.0.0 to 3.1.0
- [Commits](https://github.com/yonathan06/fastify-now/commits/v3.1.0)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: fastify
  dependency-type: direct:production
- dependency-name: fastify-now
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>