Bump highlight.js from 9.18.3 to 10.4.1

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 9.18.3 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](https://github.com/highlightjs/highlight.js/commits/10.4.1)

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

package.json

@@ -35,7 +35,7 @@
  "core-js": "^3.6.5",
  "file-saver": "^2.0.2",
  "font-awesome": "^4.7.0",
- "highlight.js": "^9.18.3",
+ "highlight.js": "^10.4.1",
  "path-to-regexp": "^6.1.0",
  "vue": "^2.6.12",
  "vue-i18n": "^8.21.0",