build(deps): bump react-router

Updates `react-router` from 6.30.3 to 7.18.3
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/react-router@7.18.3/packages/react-router/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router@7.18.3/packages/react-router)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 7.18.3
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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

services/user-service/package.json

@@ -20,7 +20,7 @@
     "@connectrpc/connect-fastify": "^2.1.1",
     "@connectrpc/protoc-gen-connect-es": "^0.13.2",
     "@types/mongoose-unique-validator": "^1.0.7",
-    "fastify": "^5.12.1",
+    "fastify": "^5.12.3",
     "kafkajs": "^2.2.4",
     "mongoose": "^7.8.11",
     "mongoose-unique-validator": "^4.0.0",