build: Bump nix from 0.26.2 to 0.26.4

Bumps [nix](https://github.com/nix-rust/nix) from 0.26.2 to 0.26.4.
- [Changelog](https://github.com/nix-rust/nix/blob/v0.26.4/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.26.2...v0.26.4)

---
updated-dependencies:
- dependency-name: nix
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -1177,15 +1177,14 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.26.2"
+version = "0.26.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfdda3d196821d6af13126e40375cdf7da646a96114af134d5f417a9a1dc8e1a"
+checksum = "598beaf3cc6fdd9a5dfb1630c2800c7acd31df7aaf0f565796fba2b53ca1af1b"
 dependencies = [
  "bitflags 1.3.2",
  "cfg-if",
  "libc",
  "memoffset",
- "static_assertions",
 ]
 
 [[package]]