build(deps): bump fastify in /docker-apps/rest-passthrough (#3336)

Bumps [fastify](https://github.com/fastify/fastify) from 4.25.1 to 4.25.2.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](https://github.com/fastify/fastify/compare/v4.25.1...v4.25.2)

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

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docker-apps/rest-passthrough/package.json

@@ -14,7 +14,7 @@
     "@discordeno/rest": "19.0.0-next.9006572",
     "@fastify/env": "^4.3.0",
     "@fastify/helmet": "^11.1.1",
-    "fastify": "^4.25.1"
+    "fastify": "^4.25.2"
   },
   "devDependencies": {
     "@favware/cliff-jumper": "^2.2.3",