Bump nix from 0.27.1 to 0.29.0

Bumps [nix](https://github.com/nix-rust/nix) from 0.27.1 to 0.29.0.
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](nix-rust/nix@v0.27.1...v0.29.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -37,7 +37,7 @@ comfy-table = "7.1.0"
 exitcode = "1.1.2"
 human-panic = "1.2.3"
 log = "0.4.21"
-nix = {version = "0.27.1", features = ["process"]}
+nix = {version = "0.29.0", features = ["process"]}
 stderrlog = "0.6.0"
 
 [dev-dependencies]