Upgrade: Bump marked from 2.1.3 to 4.2.12

Bumps [marked](https://github.com/markedjs/marked) from 2.1.3 to 4.2.12.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/.releaserc.json)
- [Commits](markedjs/marked@v2.1.3...v4.2.12)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: package-lock.json

@@ -54,7 +54,7 @@
     "hexo-util": "^3.0.1",
     "json2yaml": "^1.1.0",
     "markdownlint-cli": "^0.31.1",
-    "marked": "^2.0.0",
+    "marked": "^4.2.12",
     "md-2-json": "^2.0.0",
     "mkdirp": "^1.0.2",
     "mktemp": "^1.0.0",