v4.12.0-release.1

What's Changed

• Update opencv.js to 4.12.0
• Fix: Make second parameter of Mat.ucharPtr optional by @Copilot in #83
• Add comprehensive GitHub Copilot instructions for opencv-js development by @Copilot in #95
• Add TypeScript definitions for QRCodeDetector and QRCodeDetectorAruco with comprehensive tests by @Copilot in #92
• Fix boxPoints type definition to match runtime behavior by @Copilot in #97
• Add TypeScript definitions for applyColorMap function and colormap constants by @Copilot in #88

New Contributors

• @Copilot made their first contribution in #83

Full Changelog: v4.11.0-release.1...v4.12.0-release.1