chore(deps): bump file-type from 16.5.4 to 22.0.1 in /backend (#1264)

Bumps [file-type](https://github.com/sindresorhus/file-type) from 16.5.4 to 22.0.1.
- [Release notes](https://github.com/sindresorhus/file-type/releases)
- [Commits](sindresorhus/file-type@v16.5.4...v22.0.1)

---
updated-dependencies:
- dependency-name: file-type
  dependency-version: 22.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

backend/package.json

@@ -41,7 +41,7 @@
     "class-validator": "^0.15.1",
     "csv-stringify": "^6.8.0",
     "fastify": "^5.0.0",
-    "file-type": "16.5.4",
+    "file-type": "22.0.1",
     "firebase-admin": "^13.8.0",
     "handlebars": "^4.7.9",
     "ioredis": "^5.6.1",