Bump marked from 1.2.8 to 2.0.0

Bumps [marked](https://github.com/markedjs/marked) from 1.2.8 to 2.0.0.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/release.config.js)
- [Commits](https://github.com/markedjs/marked/compare/v1.2.8...v2.0.0)

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

package.json

@@ -85,7 +85,7 @@
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^4.0.0-rc.2",
     "loglevelnext": "^4.0.1",
-    "marked": "1.2.8",
+    "marked": "2.0.0",
     "mocha": "8.2.1",
     "pixelmatch": "^5.1.0",
     "pngjs": "^6.0.0",