chore(deps): bump fastify from 5.8.1 to 5.8.3

Bumps [fastify](https://github.com/fastify/fastify) from 5.8.1 to 5.8.3.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v5.8.1...v5.8.3)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 5.8.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -24,7 +24,7 @@
 		"mcp:debug": "npx @modelcontextprotocol/inspector node ./src/mcp/server.js"
 	},
 	"dependencies": {
-		"fastify": "^5.8.1",
+		"fastify": "^5.8.3",
 		"@faker-js/faker": "^10.3.0",
 		"@modelcontextprotocol/sdk": "^1.27.1",
 		"@types/chai-json-schema": "^1.4.10",