build(deps-dev): bump @fortawesome/fontawesome-free

Bumps [@fortawesome/fontawesome-free](https://github.com/FortAwesome/Font-Awesome) from 5.15.2 to 5.15.3.
- [Release notes](https://github.com/FortAwesome/Font-Awesome/releases)
- [Changelog](https://github.com/FortAwesome/Font-Awesome/blob/master/CHANGELOG.md)
- [Commits](FortAwesome/Font-Awesome@5.15.2...5.15.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
     "@babel/cli": "^7.12.17",
     "@babel/core": "^7.12.17",
     "@babel/preset-env": "^7.12.17",
-    "@fortawesome/fontawesome-free": "^5.15.2",
+    "@fortawesome/fontawesome-free": "^5.15.3",
     "@fullhuman/postcss-purgecss": "^4.0.0",
     "@tailwindcss/typography": "^0.4.0",
     "alpinejs": "^2.8.0",