Combine PHPStan and PHPCS in lint script

[fadrian06]

This pull request updates the Composer lint script to run both static analysis and code style checks, streamlining the code quality process.

Build and code quality tooling:

• Updated the lint script in composer.json to run both phpstan (with the -n flag for no interaction) and phpcs, ensuring that both static analysis and code style checks are performed together.

[Copilot]

Pull request overview

This pull request updates the Composer lint script so it runs both static analysis (PHPStan) and code style checks (PHPCS) in a single command, consolidating quality checks into one workflow.

Changes:

• Updated composer lint to run phpstan ... -n followed by phpcs.
• Converted lint from a single string command to a Composer script array for sequential execution.