Bump @fortawesome/fontawesome-free from 6.3.0 to 6.6.0

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 6.3.0 to 6.6.0.
- [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@6.3.0...6.6.0)

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

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

package.json

@@ -124,7 +124,7 @@
     "datatables.net-buttons-bs": "1.7.1",
     "datatables.net-select-bs": "1.3.1",
     "daterangepicker": "3.1.0",
-    "@fortawesome/fontawesome-free": "6.3.0",
+    "@fortawesome/fontawesome-free": "6.6.0",
     "hammerjs": "2.0.8",
     "icheck-bootstrap": "3.0.1",
     "icheck-material": "1.0.1",