chore(deps): bump marked and markdown-loader

Bumps [marked](https://github.com/markedjs/marked) to 4.1.0 and updates ancestor dependency [markdown-loader](https://github.com/peerigon/markdown-loader). These dependencies need to be updated together.


Updates `marked` from 0.7.0 to 4.1.0
- [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/v0.7.0...v4.1.0)

Updates `markdown-loader` from 6.0.0 to 8.0.0
- [Release notes](https://github.com/peerigon/markdown-loader/releases)
- [Changelog](https://github.com/peerigon/markdown-loader/blob/main/CHANGELOG.md)
- [Commits](https://github.com/peerigon/markdown-loader/compare/v6.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: marked
  dependency-type: indirect
- dependency-name: markdown-loader
  dependency-type: direct:development
...

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

package.json

@@ -80,7 +80,7 @@
     "jest-createspyobj": "2.0.0",
     "jest-environment-jsdom": "28.1.1",
     "jest-preset-angular": "12.2.2",
-    "markdown-loader": "^6.0.0",
+    "markdown-loader": "^8.0.0",
     "ng-packagr": "14.2.1",
     "ngx-bootstrap": "8.0.0",
     "npm-run-all": "^4.1.5",