feat: support 'wordWrapWidth: auto' for responsive wrapping

[MinCrohn]

What this PR does

This update introduces support for wordWrapWidth: 'auto' in the Text component's style.
This allows text to automatically wrap based on the parent Item's content width (respecting padding and margins), eliminating the need for manual pixel calculations.

Usage Example

Before

// Previously, manual calculation was required.
// Parent width (200) - padding (10*2) = 180px.
{
  type: 'item',
  id: 'my-item',
  size: { width: 200, height: 100 },
  padding: 10,
  components: [
    {
      type: 'text',
      text: 'This is a very long string that needs to wrap correctly inside the item.',
      style: {
        fontSize: 16,
        wordWrapWidth: 180 // Manually calculated
      }
    }
  ]
}

After

// Now, the library handles the calculation automatically.
// The text will wrap responsively even if the parent's size or padding changes.
{
  type: 'item',
  id: 'my-item',
  size: { width: 200, height: 100 },
  padding: 10,
  components: [
    {
      type: 'text',
      text: 'This is a very long string that needs to wrap correctly inside the item.',
      style: {
        fontSize: 16,
        wordWrapWidth: 'auto' // Automatically wraps!
      }
    }
  ]
}

[gemini-code-assist]

Summary of Changes

Hello @MinCrohn, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the Text component by introducing an 'auto' option for the wordWrapWidth style property. This new functionality allows text to automatically adapt its wrapping width to the available space within its parent container, including considerations for padding and margins. The change aims to streamline the development of responsive UIs by removing the need for developers to manually calculate and update text wrapping dimensions, thereby improving flexibility and reducing boilerplate code.

Highlights

• Responsive Text Wrapping: Introduced wordWrapWidth: 'auto' for the Text component, enabling automatic text wrapping based on the parent Item's content width, respecting padding and margins.
• Simplified Layout: Eliminates the need for manual pixel calculations for text wrapping, making responsive layouts easier to implement and maintain.
• Dependency Updates: Updated the gsap dependency and adjusted pixi.js peer and dev dependencies for broader compatibility and latest features.

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[gemini-code-assist]

Code Review

This pull request introduces a great new feature, wordWrapWidth: 'auto', for responsive text wrapping. The implementation is mostly solid, and I appreciate the refactoring in setAutoFontSize which also fixes a subtle bug in the font size calculation. However, I've found a critical issue in _applyTextstyle where the code can crash if an update doesn't contain both style and margin changes. Please address this to ensure the component is robust.