Bump marked from 4.1.1 to 4.2.0 (#6497)

Bumps [marked](https://github.com/markedjs/marked) from 4.1.1 to 4.2.0.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/.releaserc.json)
- [Commits](https://github.com/markedjs/marked/compare/v4.1.1...v4.2.0)

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

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

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

package.json

@@ -251,7 +251,7 @@
     "jsdom": "^16.7.0",
     "lodash": "^4.17.15",
     "mac-ca": "^1.0.6",
-    "marked": "^4.1.1",
+    "marked": "^4.2.0",
     "md5-file": "^5.0.0",
     "mobx": "^6.6.2",
     "mobx-observable-history": "^2.0.3",