Bump fastify from 5.5.0 to 5.6.0 in /src

Bumps [fastify](https://github.com/fastify/fastify) from 5.5.0 to 5.6.0.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v5.5.0...v5.6.0)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 5.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/packages/server/package.json

@@ -32,7 +32,7 @@
 		"@fastify/cors": "11.1.0",
 		"class-validator": "0.14.2",
 		"decimal.js": "10.6.0",
-		"fastify": "5.5.0",
+		"fastify": "5.6.0",
 		"graphql": "16.11.0",
 		"graphql-deduplicator": "2.0.6"
 	},