chore: bump version to v0.1.57

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: soddygo

mcp-proxy/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "mcp-stdio-proxy"
 # 主入口版本，与 workspace 对外发布版本一致
-version = "0.1.56"
+version = "0.1.57"
 edition = "2024"
 authors = ["nuwax-ai"]
 description = "MCP (Model Context Protocol) proxy server and CLI tool for protocol conversion and remote service access"