Update components/font-awesome requirement from ^5.15 to ^6.1

Updates the requirements on [components/font-awesome](https://github.com/components/font-awesome) to permit the latest version.
- [Release notes](https://github.com/components/font-awesome/releases)
- [Commits](components/font-awesome@5.15.0...6.1.1)

---
updated-dependencies:
- dependency-name: components/font-awesome
  dependency-type: direct:production
...

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

composer.json

@@ -20,7 +20,7 @@
 		"codeigniter4/framework": "^4.2",
 		"codeigniter4/shield": "dev-develop",
         "codeigniter4/settings": "^2.0",
-		"components/font-awesome": "^5.15",
+		"components/font-awesome": "^6.1",
 		"league/commonmark": "^2.0",
 		"roave/security-advisories": "dev-latest",
 		"spatie/commonmark-highlighter": "^3.0"