@remotion/lambda-php: Fix PHP 8.2 dynamic property deprecation for storageClass

[Copilot]

Fixes the PHP 8.2+ deprecation warning:

Creation of dynamic property Remotion\LambdaPhp\RenderParams::$storageClass is deprecated

The issue occurred because the $storageClass property was being used throughout the RenderParams class (constructor assignment, getter/setter methods, serialization) but was never properly declared as a class property. In PHP 8.2+, creating dynamic properties triggers a deprecation warning.

Changes Made

• Added missing protected $storageClass = null; property declaration to the RenderParams class
• Created comprehensive test RenderParamsStorageClassTest.php to verify the fix and prevent regression

Before

// PHP 8.2+ would show:
// Deprecation: Creation of dynamic property Remotion\LambdaPhp\RenderParams::$storageClass is deprecated
$params = new RenderParams(storageClass: 'STANDARD_IA');

After

// No deprecation warnings
$params = new RenderParams(storageClass: 'STANDARD_IA');
echo $params->getStorageClass(); // 'STANDARD_IA'

Verification

All tests pass without deprecation warnings:

• 3 tests, 11 assertions
• Existing functionality unchanged
• New test validates storageClass behavior across constructor, setter, and serialization

This is a minimal, surgical fix that maintains full backward compatibility while resolving PHP 8.2+ compatibility issues.

Fixes #5542.

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Name	Status	Preview	Comments	Updated (UTC)
bugs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 2, 2025 11:22am

1 Skipped Deployment

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