feat: implement PSA profile refresh according to draft-fdb-rats-psa-endorsements-08

[Sukuna0007Abhi]

Summary

This PR implements the PSA profile refresh for issue #215 according to the draft-fdb-rats-psa-endorsements-08 specification. The implementation provides complete PSA endorsement support with proper CBOR/JSON serialization and comprehensive validation.

Changes Made

Core Implementation

• Added PSA profile with URI tag:arm.com,2025:psa#1.0.0
• Implemented PSA software component measurement structures
• Created PSA certification claims support with PSACertNum validation
• Added PSA software relationships for lifecycle modeling (updates/patches)
• Registered PSA software component measurement key type using CBOR tag 800

Technical Features

• Complete CBOR and JSON marshaling support for all PSA structures
• Comprehensive input validation and error handling
• Integration with existing CoRIM/CoMID measurement systems
• Backward compatibility with existing codebase

Documentation Updates

• Updated PSA reference value documentation to use correct draft specification
• Added comprehensive examples demonstrating all PSA profile features
• Included detailed test scenarios and edge cases

Files Added

• comid/psa/psa_profile.go - PSA profile registration and core functionality
• comid/psa/psa_software_component.go - PSA software component structures
• comid/psa/psa_software_component_key.go - CBOR key type implementation
• comid/psa/psa_software_relations.go - PSA lifecycle relationship modeling
• comid/psa/psa_profile_test.go - Core functionality tests
• comid/psa/psa_software_component_key_test.go - Key type validation tests
• comid/psa/example_psa_profile_test.go - Comprehensive usage examples

Files Modified

• comid/extensions.go - Added PSA extension registration
• corim/profiles.go - Integrated PSA profile with existing system
• comid/psareferencevalue.go - Updated draft specification reference

Testing

• All existing tests continue to pass
• New comprehensive test suite covers all PSA functionality
• Validation testing for edge cases and error conditions
• CBOR/JSON round-trip serialization testing
• Example usage demonstrations

Compliance

• Follows draft-fdb-rats-psa-endorsements-08 specification
• Maintains backward compatibility
• Proper error handling and validation
• Consistent with existing codebase patterns

Resolves #215

Ready for Review sir @thomas-fossati sir @setrofim sir @yogeshbdeshpande