chore(deps): bump fastify from 4.5.3 to 4.6.0 (#142)

Bumps [fastify](https://github.com/fastify/fastify) from 4.5.3 to 4.6.0.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v4.5.3...v4.6.0)

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

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

package.json

@@ -60,7 +60,7 @@
     "constructs": "^10.1.102",
     "desm": "^1.3.0",
     "env-schema": "^5.0.0",
-    "fastify": "^4.5.3",
+    "fastify": "^4.6.0",
     "fastify-cli": "^5.4.1",
     "fastify-plugin": "^4.2.1",
     "fluent-json-schema": "^3.1.0",