Bump highlight.js from 9.18.1 to 10.4.1

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 9.18.1 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@9.18.1...10.4.1)

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "chartjs-plugin-datalabels": "^0.7.0",
     "express": "^4.15.2",
     "fuse.js": "^6.0.4",
-    "highlight.js": "^9.18.1",
+    "highlight.js": "^10.4.1",
     "jquery": "^3.5.0",
     "marked": "^0.8.2",
     "ng2-charts": "^2.3.0",