Update Rust crate hyper-util to v0.1.12 (#13647)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [hyper-util](https://hyper.rs)
([source](https://redirect.github.com/hyperium/hyper-util)) |
dev-dependencies | patch | `0.1.11` -> `0.1.12` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>hyperium/hyper-util (hyper-util)</summary>

###
[`v0.1.12`](https://redirect.github.com/hyperium/hyper-util/blob/HEAD/CHANGELOG.md#0112-2025-05-19)

[Compare
Source](https://redirect.github.com/hyperium/hyper-util/compare/v0.1.11...v0.1.12)

- Add `client::legacy::proxy::Tunnel` connector that wraps another
connector with HTTP tunneling.
- Add `client::legacy::proxy::{SocksV4, SocksV5}` connectors that wraps
another connector with SOCKS.
- Add `client::proxy::matcher::Matcher` type that can use environment
variables to match proxy rules.
- Add `server::graceful::Watcher` type that can be sent to watch a
connection in another task.
- Add `GracefulShutdown::count()` method to get number of currently
watched connections.
-   Fix missing `must_use` attributes on `Connection` futures.
-   Fix tracing span in GAI resolver that can cause panics.

</details>

---

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Cargo.lock

@@ -1659,9 +1659,9 @@ dependencies = [
 
 [[package]]
 name = "hyper-util"
-version = "0.1.11"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "497bbc33a26fdd4af9ed9c70d63f61cf56a938375fbb32df34db9b1cd6d643f2"
+checksum = "cf9f1e950e0d9d1d3c47184416723cf29c0d1f93bd8cccf37e4beb6b44f31710"
 dependencies = [
  "bytes",
  "futures-channel",