Add license change trigger for platform.* conan recipes

[konard]

🤖 AI-Powered Solution

This pull request implements the functionality requested in issue #175: Add a trigger to change license in platform\..+ conan recipes.

📋 Issue Reference

Fixes #175

✅ Implementation Details

New Features Added:

1. New Command-Line Parameter: --new-license (optional)
2. Pattern Matching: Only applies to recipes matching ^platform\..+ (case-insensitive)
3. License Field Update: Updates the license field in conanfile.py files
4. Smart Quote Handling: Preserves existing quote style (single or double quotes)
5. Separate Commit: Creates a dedicated commit for license changes

Files Modified:

• rust/update-conan-recipe-and-create-pull-request/src/main.rs - Added command-line argument and integration logic
• rust/update-conan-recipe-and-create-pull-request/src/change_license_in_conanfile_py.rs - New module for license change functionality
• examples/test-license-change.md - Documentation and usage examples

How it Works:

1. User provides --new-license parameter when running the tool
2. Tool checks if recipe name matches pattern ^platform\..+ (case-insensitive)
3. If it matches, updates the license = "value" line in the conanfile.py
4. Creates a separate commit with message "Update license to {new_license}"

Pattern Examples:

• ✅ platform.collections → Will change license
• ✅ Platform.Memory → Will change license (case-insensitive)
• ✅ platform.data → Will change license
• ❌ boost → Won't change license (doesn't match pattern)
• ❌ openssl → Won't change license (doesn't match pattern)

🧪 Testing

• Created comprehensive example documentation in examples/test-license-change.md
• Implementation follows existing code patterns and conventions
• Uses established regex handling and GitHub API integration

📝 Usage Example

./update-conan-recipe-and-create-pull-request \
  --new-license "MIT" \
  --recipe-name "platform.collections" \
  [other existing parameters...]

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