Update openai-php/laravel requirement from ^0.11 to ^0.12

Updates the requirements on [openai-php/laravel](https://github.com/openai-php/laravel) to permit the latest version.
- [Release notes](https://github.com/openai-php/laravel/releases)
- [Changelog](https://github.com/openai-php/laravel/blob/main/CHANGELOG.md)
- [Commits](openai-php/laravel@v0.11.0...v0.12.0)

---
updated-dependencies:
- dependency-name: openai-php/laravel
  dependency-version: 0.12.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
         "php": "^8.2",
         "illuminate/contracts": "^10.0||^11.0||^12.0",
         "nikic/php-parser": "^5.1",
-        "openai-php/laravel": "^0.11",
+        "openai-php/laravel": "^0.12",
         "spatie/laravel-package-tools": "^1.16",
         "spatie/simple-excel": "^3.7",
         "symfony/finder": "^6.0||^7.0",