chore(deps): bump nix from 0.24.3 to 0.29.0

Bumps [nix](https://github.com/nix-rust/nix) from 0.24.3 to 0.29.0.
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](nix-rust/nix@v0.24.3...v0.29.0)

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

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

ckb-bin/Cargo.toml

@@ -52,7 +52,7 @@ tokio = { version = "1", features = ["sync"] }
 
 [target.'cfg(not(target_os="windows"))'.dependencies]
 daemonize = { version = "0.5.0" }
-nix = { version = "0.24.0", default-features = false, features = ["signal"] }
+nix = { version = "0.29.0", default-features = false, features = ["signal"] }
 colored = "2.0"
 
 [features]

test/Cargo.toml

@@ -44,7 +44,7 @@ ctrlc = { version = "3.1", features = ["termination"] }
 log = "0.4"
 
 [target.'cfg(not(target_os="windows"))'.dependencies]
-nix = { version = "0.24.0", default-features = false, features = ["signal"] }
+nix = { version = "0.29.0", default-features = false, features = ["signal"] }
 
 [target.'cfg(target_os="windows")'.dependencies]
 windows-sys = { version = "0.52", features = [