chore(deps-dev): bump @fastify/multipart from 8.3.0 to 9.0.1

Bumps [@fastify/multipart](https://github.com/fastify/fastify-multipart) from 8.3.0 to 9.0.1.
- [Release notes](https://github.com/fastify/fastify-multipart/releases)
- [Commits](fastify/fastify-multipart@v8.3.0...v9.0.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -34,7 +34,7 @@
   },
   "homepage": "https://github.com/Eomm/form-auto-content#readme",
   "devDependencies": {
-    "@fastify/multipart": "^8.0.0",
+    "@fastify/multipart": "^9.0.1",
     "@types/node": "^22.0.0",
     "fastify": "^4.17.0",
     "light-my-request": "^6.0.0",