Update Rust crate async-compat to v0.2.4 (#15143)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [async-compat](https://togithub.com/smol-rs/async-compat) |
dependencies | patch | `0.2.1` -> `0.2.4` |

---

### Release Notes

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

###
[`v0.2.4`](https://togithub.com/smol-rs/async-compat/blob/HEAD/CHANGELOG.md#Version-024)

[Compare
Source](https://togithub.com/smol-rs/async-compat/compare/v0.2.3...v0.2.4)

- Derive `Clone` for `Compat`.
([#&#8203;27](https://togithub.com/smol-rs/async-compat/issues/27))
- Rather than spawning our own `tokio` runtime all of the time, reuse an
existing runtime if possible.
([#&#8203;30](https://togithub.com/smol-rs/async-compat/issues/30))

###
[`v0.2.3`](https://togithub.com/smol-rs/async-compat/blob/HEAD/CHANGELOG.md#Version-023)

[Compare
Source](https://togithub.com/smol-rs/async-compat/compare/v0.2.2...v0.2.3)

- Enter the `tokio` context while dropping wrapped `tokio` types.
([#&#8203;22](https://togithub.com/smol-rs/async-compat/issues/22))

###
[`v0.2.2`](https://togithub.com/smol-rs/async-compat/blob/HEAD/CHANGELOG.md#Version-022)

[Compare
Source](https://togithub.com/smol-rs/async-compat/compare/v0.2.1...v0.2.2)

- Add `smol-rs` logo to the docs.
([#&#8203;19](https://togithub.com/smol-rs/async-compat/issues/19))

</details>

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---

Release Notes:

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