Bump @types/marked from 5.0.0 to 6.0.0

Bumps [@types/marked](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/marked) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/marked)

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

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

package.json

@@ -80,7 +80,7 @@
     "@testing-library/jest-dom": "^6.4.2",
     "@types/jest": "^29.5.12",
     "@types/jest-dev-server": "^5.0.3",
-    "@types/marked": "^5.0.0",
+    "@types/marked": "^6.0.0",
     "@types/node": "^20.12.7",
     "@types/nunjucks": "^3.2.6",
     "@types/polymer": "^1.2.16",