Bump nix from 0.26.2 to 0.26.4 (#2736)

Bumps [nix](https://github.com/nix-rust/nix) from 0.26.2 to 0.26.4.
- [Changelog](https://github.com/nix-rust/nix/blob/v0.26.4/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.26.2...v0.26.4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -96,7 +96,7 @@ wait-timeout = "0.2.0"
 tempfile = "3.8.0"
 
 [target.'cfg(unix)'.dev-dependencies]
-nix = { version = "0.26.2", default-features = false, features = ["term"] }
+nix = { version = "0.26.4", default-features = false, features = ["term"] }
 
 [build-dependencies.clap]
 version = "4.4.6"