Bump highlight.js from 10.7.3 to 11.9.0

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 10.7.3 to 11.9.0.
- [Release notes](https://github.com/highlightjs/highlight.js/releases)
- [Changelog](https://github.com/highlightjs/highlight.js/blob/main/CHANGES.md)
- [Commits](highlightjs/highlight.js@10.7.3...11.9.0)

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

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

package.json

@@ -18,7 +18,7 @@
     "clipboard": "^2.0.11",
     "es5-shim": "^4.6.7",
     "es6-shim": "^0.35.8",
-    "highlight.js": "^10.7.0",
+    "highlight.js": "^11.9.0",
     "minimum-node-version": "^3.0.0",
     "purecss": "^2.0.6",
     "reset-css": "^5.0.2"