RUSTSEC-2026-0051 `tokio-threadpool` is unmaintained

The tokio-threadpool crate is unmaintained. It was part of the Tokio 0.1 ecosystem and has been superseded by the main tokio crate...

`tokio-io` is unmaintained

The tokio-io crate is unmaintained. It was part of the Tokio 0.1 ecosystem and has been superseded by the main tokio crate...