Bump highlight.js from 9.14.2 to 10.4.1

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 9.14.2 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@9.14.2...10.4.1)

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

Author: dependabot[bot]

package-lock.json

@@ -101,7 +101,7 @@
     "gulp-rename": "^1.4.0",
     "gulp-sass": "~4.0.2",
     "gulp-util": "~3.0.8",
-    "highlight.js": "~9.14.0",
+    "highlight.js": "~10.4.1",
     "jasmine-core": "~2.99.1",
     "jasmine-spec-reporter": "~4.2.1",
     "karma": "^4.2.0",