chore(all): bump fastify from 5.6.2 to 5.7.1

Bumps [fastify](https://github.com/fastify/fastify) from 5.6.2 to 5.7.1.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v5.6.2...v5.7.1)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 5.7.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "ajv-formats": "^3.0.1",
     "arctic": "^3.7.0",
     "drizzle-orm": "^0.45.1",
-    "fastify": "^5.6.2",
+    "fastify": "^5.7.1",
     "fastify-favicon": "^5.0.0",
     "lucia": "^3.2.2",
     "nanoid": "^5.1.6",

services/backend/package.json

@@ -19,7 +19,7 @@
     "@fastify/swagger-ui": "^5.2.4",
     "@modelcontextprotocol/sdk": "^1.24.3",
     "dotenv": "^17.2.3",
-    "fastify": "^5.6.2",
+    "fastify": "^5.7.1",
     "fuse.js": "^7.1.0",
     "gpt-tokenizer": "^3.4.0",
     "pino": "^10.1.1",