Small version fixes and simplification to manifest.mf osgi contents generation at build time for mcp-core, mcp-jackson2, mcp-jackson3 jars/bundles.

Breaking Changes

No

Types of changes

• [X ] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• [X ] I have read the MCP Documentation
• [ X] My code follows the repository's style guidelines
• [ X] New and existing tests pass locally
• [ X] I have added appropriate error handling
• [ X] I have added or updated documentation as needed