fix(deps): update rust crate polars to 0.40.0

Author: renovate[bot]

Cargo.lock

@@ -28,7 +28,7 @@ jsonwebtoken = "9.3.0"
 mongodb = { version = "2.8.2", features = ["async-std"] }
 once_cell = "1.19.0"
 pem = { version = "3.0.4", features = ["serde"] }
-polars = "0.39.2"
+polars = "0.40.0"
 pyo3 = { version = "0.21.2", features = ["auto-initialize"] }
 rand = "0.8.5"
 reqwest = "0.12.3"