Bump nix from 0.29.0 to 0.30.1

Bumps [nix](https://github.com/nix-rust/nix) from 0.29.0 to 0.30.1.
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.29.0...v0.30.1)

---
updated-dependencies:
- dependency-name: nix
  dependency-version: 0.30.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -101,7 +101,7 @@ tempfile = "3.16.0"
 serde = { version = "1.0", features = ["derive"] }
 
 [target.'cfg(unix)'.dev-dependencies]
-nix = { version = "0.29", default-features = false, features = ["term"] }
+nix = { version = "0.30", default-features = false, features = ["term"] }
 
 [build-dependencies]
 anyhow = "1.0.97"