Bump highlight.js from 11.2.0 to 11.9.0

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 11.2.0 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@11.2.0...11.9.0)

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

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

package.json

@@ -44,7 +44,7 @@
     "hast-util-to-string": "^2.0.0",
     "hastscript": "^7.0.2",
     "helmet": "^4.6.0",
-    "highlight.js": "^11.2.0",
+    "highlight.js": "^11.9.0",
     "highlightjs-graphql": "^1.0.2",
     "hot-shots": "^8.5.1",
     "html-entities": "^2.3.2",