Update nix requirement from 0.26.1 to 0.27.1

Updates the requirements on [nix](https://github.com/nix-rust/nix) to permit the latest version.
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](nix-rust/nix@v0.26.1...v0.27.1)

---
updated-dependencies:
- dependency-name: nix
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -34,7 +34,7 @@ bytemuck = { version = "1.12.3", optional = true }
 drm = { version = "0.9.0", default-features = false, optional = true }
 drm-sys = { version = "0.4.0", default-features = false, optional = true }
 memmap2 = { version = "0.7.1", optional = true }
-nix = { version = "0.26.1", optional = true }
+nix = { version = "0.27.1", optional = true }
 tiny-xlib = { version = "0.2.1", optional = true }
 wayland-backend = { version = "0.1.0", features = ["client_system"], optional = true }
 wayland-client = { version = "0.30.0", optional = true }