[11.x] Fix PHP 8.5 deprecation warning for PDO::MYSQL_ATTR_SSL_CA

[emmadesilva]

Description

This PR patches a deprecation warning triggered when using PHP 8.5 with Laravel Zero 11.x.

I understand that Laravel Zero 11 may not be officially supported anymore, but since a lot of projects are still running it, this minor patch would provide a lot of value with minimal downside.

See tie in PR laravel-zero/foundation#133

Background:
In PHP 8.5, the global PDO::MYSQL_ATTR_SSL_CA constant was deprecated in favor of the namespaced Pdo\Mysql::ATTR_SSL_CA. However, because Laravel Zero 11.x must maintain compatibility with PHP 8.2 and 8.3 (where the Pdo\Mysql class does not exist), we cannot simply swap the constant without causing a fatal error in older environments.

The Fix:
This PR updates the MySQL and MariaDB connection configurations to use a conditional check:
(defined('Pdo\Mysql::ATTR_SSL_CA') ? Pdo\Mysql::ATTR_SSL_CA : PDO::MYSQL_ATTR_SSL_CA)

This dynamically applies the new constant for users on PHP 8.5+, while safely falling back to the legacy constant for users on PHP 8.2 - 8.4, completely resolving the deprecation notice without introducing breaking changes.

Related Issues

• Backports the concept from the v12 fix discussed in: update default config files from upstream laravel-zero#519
• Resolves downstream framework issues, such as: Deprecation warning when using php 8.5.x hydephp/hyde#322

Checklist

• I have tested this change locally to ensure compatibility across PHP versions.
• The code follows the repository's coding standards.

[owenvoke]

This makes sense to me. 👍🏻