build(deps): Bump fastify

Bumps [fastify](https://github.com/fastify/fastify) from 5.0.0 to 5.3.1.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v5.0.0...v5.3.1)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 5.3.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

dev-packages/e2e-tests/test-applications/node-fastify-5/package.json

@@ -15,7 +15,7 @@
     "@sentry/core": "latest || *",
     "@sentry/opentelemetry": "latest || *",
     "@types/node": "^18.19.1",
-    "fastify": "5.0.0",
+    "fastify": "5.3.1",
     "typescript": "5.6.3",
     "ts-node": "10.9.2"
   },