build(deps): bump fastify from 4.17.0 to 4.18.0 (#413)

Bumps [fastify](https://github.com/fastify/fastify) from 4.17.0 to 4.18.0.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@4.17.0...v4.18.0)

---
updated-dependencies:
- dependency-name: fastify
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]