build(deps): bump marked from 7.0.0 to 15.0.6

Bumps [marked](https://github.com/markedjs/marked) from 7.0.0 to 15.0.6.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/.releaserc.json)
- [Commits](markedjs/marked@v7.0.0...v15.0.6)

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

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

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
     "url": "https://github.com/wdullaer/raml2html-slate-theme/issues"
   },
   "dependencies": {
-    "marked": "^7.0.0",
+    "marked": "^15.0.6",
     "minimize": "^2.2.0",
     "nunjucks": "^3.2.2",
     "nunjucks-markdown": "^2.0.1",