Remove spatie/laravel-ray dependency from all packages

The dependency is unused — no ray() calls exist in the codebase. Removes it from require-dev in 9 packages, the conflict section in laravel-mails, the CI workflow removal step, and the laravel-ai configure script.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: markvaneijk

composer.json

@@ -32,8 +32,7 @@
         "pestphp/pest-plugin-laravel": "^2.3",
         "phpstan/extension-installer": "^1.3",
         "phpstan/phpstan-deprecation-rules": "^1.1",
-        "phpstan/phpstan-phpunit": "^1.3",
-        "spatie/laravel-ray": "^1.35"
+        "phpstan/phpstan-phpunit": "^1.3"
     },
     "autoload": {
         "psr-4": {