chore: bump nix from 0.17.0 to 0.19.0

Bumps [nix](https://github.com/nix-rust/nix) from 0.17.0 to 0.19.0.
- [Release notes](https://github.com/nix-rust/nix/releases)
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.17.0...v0.19.0)

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

sys-tuner/Cargo.toml

@@ -20,7 +20,7 @@ solana-version = { path = "../version", version = "1.5.0" }
 [target."cfg(unix)".dependencies]
 unix_socket2 = "0.5.4"
 users = "0.10.0"
-nix = "0.17.0"
+nix = "0.19.0"
 sysctl = "0.4.0"
 
 [lib]