Bump fastify from 4.29.0 to 4.29.1 in /services/user-service

Bumps [fastify](https://github.com/fastify/fastify) from 4.29.0 to 4.29.1.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](https://github.com/fastify/fastify/compare/v4.29.0...v4.29.1)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 4.29.1
  dependency-type: direct:production
...

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

services/user-service/package.json

@@ -20,7 +20,7 @@
     "@connectrpc/connect-fastify": "^0.13.2",
     "@connectrpc/protoc-gen-connect-es": "^0.13.2",
     "@types/mongoose-unique-validator": "^1.0.7",
-    "fastify": "^4.29.0",
+    "fastify": "^4.29.1",
     "kafkajs": "^2.2.4",
     "mongoose": "^7.8.6",
     "mongoose-unique-validator": "^4.0.0",