Bump file-type from 19.6.0 to 20.0.0 (#217)

Bumps [file-type](https://github.com/sindresorhus/file-type) from 19.6.0 to 20.0.0.
- [Release notes](https://github.com/sindresorhus/file-type/releases)
- [Commits](sindresorhus/file-type@v19.6.0...v20.0.0)

---
updated-dependencies:
- dependency-name: file-type
  dependency-type: direct:development
  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]

package.json

@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "download": "^8.0.0",
-    "file-type": "^19.0.0",
+    "file-type": "^20.0.0",
     "katex": "^0.16.0",
     "less": "^4.0.0",
     "markdown-it": "^14.1.0",