Update saloonphp/saloon requirement from ^2.11 to ^2.12

Updates the requirements on [saloonphp/saloon](https://github.com/saloonphp/saloon) to permit the latest version.
- [Release notes](https://github.com/saloonphp/saloon/releases)
- [Commits](saloonphp/saloon@v2.11.0...v2.12.0)

---
updated-dependencies:
- dependency-name: saloonphp/saloon
  dependency-type: direct:production
...

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

composer.json

@@ -32,7 +32,7 @@
         "illuminate/database": "^10.23",
         "saloonphp/laravel-http-sender": "^1.2",
         "saloonphp/laravel-plugin": "^2.1",
-        "saloonphp/saloon": "^2.11"
+        "saloonphp/saloon": "^2.12"
     },
     "suggest": {
         "ext-pdo": "Required to extend the PDO driver for Cloudflare D1."