feat: Add @McpProgressToken annotation support for progress tracking

[tzolov]

Add support for @McpProgressToken annotation across all MCP callback types to enable progress token injection for tracking long-running operations.

• Add @McpProgressToken annotation for marking progress token parameters
• Implement progress token detection and injection in AbstractSyncMcpToolMethodCallback
• Implement progress token detection and injection in AbstractAsyncMcpToolMethodCallback
• Update JsonSchemaGenerator to exclude @McpProgressToken parameters from schemas
• Add progress token support to AbstractMcpResourceMethodCallback (sync and async)
• Add progress token support to AbstractMcpPromptMethodCallback (sync and async)
• Add progress token support to AbstractMcpCompleteMethodCallback (sync and async)
• Update README.md with @McpProgressToken documentation

Parameter Handling:

• Progress token parameters are automatically injected from request.requestToken()
• Parameters annotated with @McpProgressToken are excluded from rawArguments
• Null is injected when no progress token is present in the request
• Fixed validation logic to correctly count progress token parameters separately

Testing:

• Add tests for tool callbacks with @McpProgressToken
• Add tests for resource callbacks with progress token support
• Add tests for prompt callbacks with progress token support
• Add tests for complete callbacks with progress token support