build(deps): bump @fortawesome/free-solid-svg-icons

Bumps [@fortawesome/free-solid-svg-icons](https://github.com/FortAwesome/Font-Awesome) from 6.4.0 to 6.4.2.
- [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@6.4.0...6.4.2)

---
updated-dependencies:
- dependency-name: "@fortawesome/free-solid-svg-icons"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

generators/ionic/resources/base/package.json

@@ -38,7 +38,7 @@
     "@capacitor/status-bar": "4.1.1",
     "@fortawesome/angular-fontawesome": "0.11.1",
     "@fortawesome/fontawesome-svg-core": "6.4.0",
-    "@fortawesome/free-solid-svg-icons": "6.4.0",
+    "@fortawesome/free-solid-svg-icons": "6.4.2",
     "@ionic/angular": "^7.0.10",
     "@ionic/pwa-elements": "^3.1.1",
     "@ionic/storage": "^4.0.0",