fix: update rust-mcp-sdk dependency to the latest (#39)

Author: hashemix

Cargo.lock

@@ -15,7 +15,7 @@ license = false
 eula = false
 
 [dependencies]
-rust-mcp-sdk = { version = "0.5", default-features = false, features = [
+rust-mcp-sdk = { version = "0.6", default-features = false, features = [
     "server",
     "macros",
     "2025_06_18",