chore: bump fastify-plugin from 5.1.0 to 6.0.0 in the dependencies group (#248)

Bumps the dependencies group with 1 update: [fastify-plugin](https://github.com/fastify/fastify-plugin).


Updates `fastify-plugin` from 5.1.0 to 6.0.0
- [Release notes](https://github.com/fastify/fastify-plugin/releases)
- [Commits](fastify/fastify-plugin@v5.1.0...v6.0.0)

---
updated-dependencies:
- dependency-name: fastify-plugin
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

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Author: dependabot[bot]

package.json

@@ -20,7 +20,7 @@
     "lint:fix": "eslint --fix"
   },
   "dependencies": {
-    "fastify-plugin": "^5.0.0"
+    "fastify-plugin": "^6.0.0"
   },
   "devDependencies": {
     "@types/node": "^25.0.3",