Bump nix from 0.30.1 to 0.31.1 in the all-updates group

Bumps the all-updates group with 1 update: [nix](https://github.com/nix-rust/nix).


Updates `nix` from 0.30.1 to 0.31.1
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.30.1...v0.31.1)

---
updated-dependencies:
- dependency-name: nix
  dependency-version: 0.31.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-updates
...

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

Cargo.lock

@@ -1451,6 +1451,18 @@ name = "nix"
 version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74523f3a35e05aba87a1d978330aef40f67b0304ac79c1c00b294c9830543db6"
+dependencies = [
+ "bitflags 2.9.4",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+]
+
+[[package]]
+name = "nix"
+version = "0.31.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225e7cfe711e0ba79a68baeddb2982723e4235247aefce1482f2f16c27865b66"
 dependencies = [
  "bitflags 2.9.4",
  "cfg-if",
@@ -2314,7 +2326,7 @@ dependencies = [
  "libc",
  "log",
  "mac_address",
- "nix 0.30.1",
+ "nix 0.31.1",
  "num_enum 0.7.5",
  "oslog",
  "polling",