Bump highlight.js from 9.15.6 to 10.4.1

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 9.15.6 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@9.15.6...10.4.1)

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

Author: dependabot[bot]

package-lock.json

@@ -123,7 +123,7 @@
     "eslint-plugin-react": "^7.12.4",
     "faker": "^4.1.0",
     "file-loader": "^3.0.1",
-    "highlight.js": "^9.15.6",
+    "highlight.js": "^10.4.1",
     "jsdom": "^14.0.0",
     "jsdom-global": "^3.0.2",
     "json-loader": "^0.5.7",