chore: update Amazon IVS Player SDK to 1.48.0

[github-actions]

This PR updates the Amazon IVS Player SDK from to 1.48.0.

Changes

This workflow automatically scans the repository for all files containing references to player.live-video.net CDN and updates them to the latest version.

8 file(s) were updated:

• minimal-player-setup/index.html
• custom-player-controls/index.html
• basic-custom-stream/amazon-ivs-service-worker-loader.js
• basic-custom-stream/index.html
• ambiance-canvas/index.html
• multiple-players/index.html
• simple-quiz/index.html
• videojs-integration/index.html

How It Works

The workflow:

1. Checks npm for the latest version of amazon-ivs-player
2. Searches the repository for all .html and .js files containing player.live-video.net references
3. Updates all version numbers in these files to match the latest version
4. Verifies all files were updated successfully before creating this PR

Testing Recommendations

Please verify that all demos work correctly with the new SDK version:

• Test video playback in each demo
• Verify custom controls and UI functionality
• Check any VideoJS integrations
• Test service worker functionality if applicable
• Verify all interactive features (quiz, canvas, etc.)

---

Release Notes: https://www.npmjs.com/package/amazon-ivs-player?activeTab=versions

This update was automatically generated by the dependency update workflow.