Update nix requirement from 0.26.2 to 0.27.1

Updates the requirements on [nix](https://github.com/nix-rust/nix) to permit the latest version.
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](nix-rust/nix@v0.26.2...v0.27.1)

---
updated-dependencies:
- dependency-name: nix
  dependency-type: direct:production
...

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

Cargo.toml

@@ -67,7 +67,7 @@ serde = { version = "^1.0", features = ["derive"] }
 serde_json = "^1.0"
 log = "0.4.19"
 fern = "0.6.2"
-nix = "0.26.2"
+nix = "0.27.1"
 thiserror = "1.0.44"
 cfg-if = "1.0.0"
 profiling = "1.0.9"