Bump fastify from 3.29.0 to 4.0.0 (#2)

Bumps [fastify](https://github.com/fastify/fastify) from 3.29.0 to 4.0.0.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v3.29.0...v4.0.0)

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

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

package.json

@@ -9,7 +9,7 @@
     "chance": "^1.1.8",
     "commander": "^9.0.0",
     "dayjs": "^1.10.7",
-    "fastify": "^3.25.3",
+    "fastify": "^4.0.0",
     "fastify-accepts": "^2.1.0",
     "fastify-cookie": "^5.4.0",
     "fastify-cors": "^6.0.2",