feat!: update to MCP Protocol 2025-11-25, new mcp_icon macro and various improvements#120

hashemix wants to merge 16 commits intomainrust-mcp-stack/rust-mcp-sdk:mainfrom

feat/rust-mcp-sdk-mcp-2025-11-25-supportrust-mcp-stack/rust-mcp-sdk:feat/rust-mcp-sdk-mcp-2025-11-25-supportCopy head branch name to clipboard