Update Rust crate async-channel to v2 (#27497)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [async-channel](https://togithub.com/smol-rs/async-channel) | workspace.dependencies | major | `1.9.0` -> `2.0.0` |

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### Release Notes

<details>
<summary>smol-rs/async-channel (async-channel)</summary>

### [`v2.3.1`](https://togithub.com/smol-rs/async-channel/blob/HEAD/CHANGELOG.md#Version-231)

[Compare Source](https://togithub.com/smol-rs/async-channel/compare/v2.3.0...v2.3.1)

-   Use the correct version of `async-channel` in our manifest. ([#&#8203;93](https://togithub.com/smol-rs/async-channel/issues/93))

### [`v2.3.0`](https://togithub.com/smol-rs/async-channel/blob/HEAD/CHANGELOG.md#Version-230)

[Compare Source](https://togithub.com/smol-rs/async-channel/compare/v2.2.1...v2.3.0)

-   Add `force_send` for sending items over the channel that displace other items. ([#&#8203;89](https://togithub.com/smol-rs/async-channel/issues/89))

### [`v2.2.1`](https://togithub.com/smol-rs/async-channel/blob/HEAD/CHANGELOG.md#Version-221)

[Compare Source](https://togithub.com/smol-rs/async-channel/compare/v2.2.0...v2.2.1)

-   Fix the CI badge in the `crates.io` page. ([#&#8203;84](https://togithub.com/smol-rs/async-channel/issues/84))

### [`v2.2.0`](https://togithub.com/smol-rs/async-channel/blob/HEAD/CHANGELOG.md#Version-220)

[Compare Source](https://togithub.com/smol-rs/async-channel/compare/v2.1.1...v2.2.0)

-   Bump `event-listener` to v5.0.0. ([#&#8203;79](https://togithub.com/smol-rs/async-channel/issues/79))
-   Bump MSRV to 1.60. ([#&#8203;80](https://togithub.com/smol-rs/async-channel/issues/80))

### [`v2.1.1`](https://togithub.com/smol-rs/async-channel/blob/HEAD/CHANGELOG.md#Version-211)

[Compare Source](https://togithub.com/smol-rs/async-channel/compare/v2.1.0...v2.1.1)

-   Bump `event-listener` to v4.0.0. ([#&#8203;73](https://togithub.com/smol-rs/async-channel/issues/73))

### [`v2.1.0`](https://togithub.com/smol-rs/async-channel/blob/HEAD/CHANGELOG.md#Version-210)

[Compare Source](https://togithub.com/smol-rs/async-channel/compare/v2.0.0...v2.1.0)

-   Bump `futures-lite` to its latest version. ([#&#8203;70](https://togithub.com/smol-rs/async-channel/issues/70))

### [`v2.0.0`](https://togithub.com/smol-rs/async-channel/blob/HEAD/CHANGELOG.md#Version-200)

[Compare Source](https://togithub.com/smol-rs/async-channel/compare/v1.9.0...v2.0.0)

-   **Breaking:** Make `Send`, `Recv` and `Receiver` `!Unpin`. This enables more efficient event notification strategies. ([#&#8203;59](https://togithub.com/smol-rs/async-channel/issues/59))
-   **Breaking:** Add an `std` enabled-by-default feature that enables parts of the API that require `std`. ([#&#8203;59](https://togithub.com/smol-rs/async-channel/issues/59))
-   Add support for the `wasm32` target. ([#&#8203;67](https://togithub.com/smol-rs/async-channel/issues/67))

</details>

---

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GitOrigin-RevId: 9e4e4147bf8cf3ddc69ae97098002d8abd060ec3

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Cargo.lock

@@ -7,7 +7,7 @@ exclude = [ "crates/py_client", "crates/python_client_tests" ]
 aes = { version = "0.8.4" }
 anyhow = "1"
 async-broadcast = "0.7.0"
-async-channel = "1.9.0"
+async-channel = "2.3.1"
 async-compression = { version = "0.4.11", features = [ "tokio", "zstd", "gzip" ] }
 async-recursion = "1.1.1"
 async-trait = "0.1"