v0.10.0

• Raised the minimum supported PHP version to 8.2
• Updated the development toolchain: PHPUnit 11, PHP CS Fixer 3, and Psalm 5/6
• Removed the old PHPUnit compatibility layer and updated the test suite/configuration accordingly
• Replaced manual array/list detection with array_is_list()
• Improved examples and README, including a few defensive fixes and PHP 8.2-style cleanups
• Added ext-decimal to require-dev
• Updated GitHub Actions to use the current actions/checkout version