Update Rust crate async-compression to v0.4.20 (#26154)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[async-compression](https://redirect.github.com/Nullus157/async-compression)
| workspace.dependencies | patch | `0.4.18` -> `0.4.20` |

---

### Release Notes

<details>
<summary>Nullus157/async-compression (async-compression)</summary>

###
[`v0.4.20`](https://redirect.github.com/Nullus157/async-compression/blob/HEAD/CHANGELOG.md#0420---2025-02-28)

[Compare
Source](https://redirect.github.com/Nullus157/async-compression/compare/v0.4.19...v0.4.20)

##### Added

-   Add support for `wasm32-wasip1-*` targets.

###
[`v0.4.19`](https://redirect.github.com/Nullus157/async-compression/blob/HEAD/CHANGELOG.md#0419---2025-02-27)

[Compare
Source](https://redirect.github.com/Nullus157/async-compression/compare/v0.4.18...v0.4.19)

##### Changed

-   Update `bzip2` dependency to `0.5`.

##### Fixed

-   Ensure that flush finishes before continuing.

</details>

---

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Release Notes:

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73668c2c4brenovate[bot] committed on 3/6/2025, 10:30:38 AM· committed by GitHubparent07f555c
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