[rust-deps] Update tokio (#93195)
## What?
Updates the tokio and tokio-util dependencies to their latest versions:
- `tokio`: `~1.47.3` → `1.52.1`
- `tokio-util`: `0.7.13` → `0.7.18`
## Why?
Keep Rust dependencies up-to-date to benefit from bug fixes, performance
improvements, and security patches.
## How?
Updated version constraints in `Cargo.toml` and regenerated
`Cargo.lock`.
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