chore(deps): bump @fortawesome/fontawesome-free from 6.1.1 to 6.2.0

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 6.1.1 to 6.2.0.
- [Release notes](https://github.com/FortAwesome/Font-Awesome/releases)
- [Changelog](https://github.com/FortAwesome/Font-Awesome/blob/6.x/CHANGELOG.md)
- [Commits](FortAwesome/Font-Awesome@6.1.1...6.2.0)

---
updated-dependencies:
- dependency-name: "@fortawesome/fontawesome-free"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -3,7 +3,7 @@
   "version": "3.0.23",
   "private": true,
   "dependencies": {
-    "@fortawesome/fontawesome-free": "^6.1.1",
+    "@fortawesome/fontawesome-free": "^6.2.0",
     "highlight.js": "^11.6.0",
     "katex": "^0.16.0",
     "uikit": "^3.14.3",