Bumps [nix](https://github.com/nix-rust/nix) from 0.27.1 to 0.28.0. - [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md) - [Commits](https://github.com/nix-rust/nix/compare/v0.27.1...v0.28.0) --- updated-dependencies: - dependency-name: nix dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>