Update Rust crate tucana to 0.0.40

Author: renovate[bot]

Cargo.toml

@@ -5,7 +5,7 @@ edition = "2024"
 
 [dependencies]
 code0-flow = { version = "0.0.18" }
-tucana = { version = "0.0.39" }
+tucana = { version = "0.0.40" }
 tokio = { version = "1.44.1", features = ["rt-multi-thread"] }
 log = "0.4.27"
 futures-lite = "2.6.0"