ci: Add required permissions and enhance branch deletion with comprehensive debugging

[marioarce]

• Added required permissions (contents: write, pull-requests: write) for branch deletion operations
• Simplified feature branch deletion trigger to only use push events to develop branch
• Optimized branch name extraction to use commit title only instead of full commit message
• Added comprehensive debugging logging for troubleshooting branch deletion issues
• Enhanced branch name extraction with detailed pattern testing and logging
• Added step-by-step pattern matching with numbered debug output and JSON serialization
• Implemented validation checks to ensure only feature/ branches are deleted
• Enhanced error handling with specific error messages for feature branch operations
• Added detailed event logging including commit title extraction and processing
• Improved push event handling with multiple regex pattern matching and validation
• Simplified workflow logic while maintaining robust validation and error handling
• Added pattern-by-pattern testing with match result logging for better troubleshooting
• Optimized commit message parsing to focus on title line for more accurate pattern matching