chore(deps-dev): bump @fortawesome/fontawesome-free (#1293)

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 5.15.4 to 6.5.1.
- [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@5.15.4...6.5.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Rnwood.Smtp4dev/ClientApp/package.json

@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "@babel/preset-typescript": "^7.18.6",
-    "@fortawesome/fontawesome-free": "^5.15.4",
+    "@fortawesome/fontawesome-free": "^6.5.1",
     "@fortawesome/fontawesome-svg-core": "^6.5.1",
     "@fortawesome/free-solid-svg-icons": "^6.1.1",
     "@fortawesome/vue-fontawesome": "^2.0.8",