chore(deps): update rust crate nix to 0.30.1 (#2336)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [nix](https://redirect.github.com/nix-rust/nix) |
workspace.dependencies | patch | `0.30.0` -> `0.30.1` |

---

### Release Notes

<details>
<summary>nix-rust/nix (nix)</summary>

###
[`v0.30.1`](https://redirect.github.com/nix-rust/nix/blob/HEAD/CHANGELOG.md#0301---2025-05-04)

[Compare
Source](https://redirect.github.com/nix-rust/nix/compare/v0.30.0...v0.30.1)

##### Fixed

-   doc.rs build
    ([#&#8203;2634](https://redirect.github.com/nix-rust/nix/pull/2634))

</details>

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Author: nextest-bot

Cargo.lock

@@ -88,7 +88,7 @@ newtype-uuid = { version = "1.2.1", features = ["v4"] }
 nextest-filtering = { version = "0.15.0", path = "nextest-filtering" }
 nextest-metadata = { version = "0.12.2", path = "nextest-metadata" }
 nextest-workspace-hack = "0.1.0"
-nix = { version = "0.30.0", default-features = false, features = ["signal"] }
+nix = { version = "0.30.1", default-features = false, features = ["signal"] }
 num_threads = "0.1.7"
 owo-colors = "4.2.0"
 pathdiff = { version = "0.2.3", features = ["camino"] }