build(deps-dev): bump @fastify/websocket from 8.3.1 to 9.0.0 (#337)

Bumps [@fastify/websocket](https://github.com/fastify/fastify-websocket) from 8.3.1 to 9.0.0.
- [Release notes](https://github.com/fastify/fastify-websocket/releases)
- [Commits](fastify/fastify-websocket@v8.3.1...v9.0.0)

---
updated-dependencies:
- dependency-name: "@fastify/websocket"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -29,7 +29,7 @@
   "homepage": "https://github.com/fastify/fastify-http-proxy#readme",
   "devDependencies": {
     "@fastify/pre-commit": "^2.0.2",
-    "@fastify/websocket": "^8.0.0",
+    "@fastify/websocket": "^9.0.0",
     "@types/node": "^20.1.0",
     "@types/ws": "^8.2.2",
     "@typescript-eslint/eslint-plugin": "^6.2.1",