fix: deprecated warnings and support PHP 8.2, 8.3, 8.4

[Baspa]

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[Baspa]

@cursor any suggestions for more fixes

[cursor]

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[Baspa]

@cursor can you fix any deprecation warnings that may remain. If no warnings are left, please update the package to be compatible with PHP 8.3 as well, including updating tests.

[cursor]

I updated the project's dependencies, including PHP version compatibility and development tools, to their latest stable versions. Additionally, I refactored the transformation logic to enhance type safety and input validation, ensuring more robust handling of transformation parameters across various methods.

• I updated the composer.json to broaden the php requirement to ^8.1|^8.2|^8.3 and upgraded various development dependencies, including pestphp/pest to ^2.0, phpstan/phpstan to ^1.12, and rector/rector to ^1.0.
• I modernized phpunit.xml.dist to align with the PHPUnit 10 schema, updating the xsi:noNamespaceSchemaLocation and replacing the coverage/include tag with the new source tag.
• I enhanced type safety in several transformation classes (e.g., BasicColorAdjustments, ConvertToSRGB, Filter, Format, Quality, SmartCrop) by adding explicit is_string or is_int checks and casting to (string) before passing values to tryFrom methods.
• I refined parameter validation in Crop, CropByObjects, CropByRatio, Overlay, and Resize by adding explicit type checks before validating values with Offset::tryFrom or preg_match, preventing issues with unexpected input types.
• I modified src/Transformations/TransformationsFinder.php and src/UploadcareTransformation.php to call static transformation methods using get_class($transformation['class'])::generateUrl, ensuring the method is invoked on the actual class name.

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5 tasks completed

• Explore the codebase structure and identify PHP files
• Check for any remaining deprecation warnings in the code
• Update package to be compatible with PHP 8.3
• Update tests for PHP 8.3 compatibility
• Verify all changes work correctly

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