Build(deps): Bump highlight.js from 10.1.2 to 10.4.1

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 10.1.2 to 10.4.1.
- [Release notes](https://github.com/highlightjs/highlight.js/releases)
- [Changelog](https://github.com/highlightjs/highlight.js/blob/master/CHANGES.md)
- [Commits](highlightjs/highlight.js@10.1.2...10.4.1)

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

Author: dependabot[bot]

package-lock.json

@@ -8,7 +8,7 @@
     "cheerio": "1.0.0-rc.3",
     "commander": "2.20.0",
     "express": "4.17.1",
-    "highlight.js": "^10.1.2",
+    "highlight.js": "^10.4.1",
     "markdown-it": "8.4.2",
     "markdown-it-named-headers": "0.0.4",
     "mustache": "4.0.1",