Bump marked from 8.0.0 to 9.0.0

Bumps [marked](https://github.com/markedjs/marked) from 8.0.0 to 9.0.0.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/.releaserc.json)
- [Commits](markedjs/marked@v8.0.0...v9.0.0)

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

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

packages/govuk-frontend-review/package.json

@@ -34,7 +34,7 @@
     "highlight.js": "^11.8.0",
     "iframe-resizer": "^4.3.6",
     "js-beautify": "^1.14.9",
-    "marked": "^8.0.0",
+    "marked": "^9.0.0",
     "outdent": "^0.8.0",
     "shuffle-seed": "^1.1.6",
     "slug": "^8.2.3"