chore(deps): update rust crate nix to 0.31

Author: renovate[bot]

Cargo.toml

@@ -58,7 +58,7 @@ thiserror = "2.0.11"
 anyhow = "1.0.96"
 
 # system
-nix = { version = "0.29", features = [
+nix = { version = "0.31", features = [
     "mount",
     "fs",
     "fanotify",