chore(deps): bump nix from 0.23.1 to 0.25.0

Bumps [nix](https://github.com/nix-rust/nix) from 0.23.1 to 0.25.0.
- [Release notes](https://github.com/nix-rust/nix/releases)
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](nix-rust/nix@v0.23.1...v0.25.0)

---
updated-dependencies:
- dependency-name: nix
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -84,7 +84,7 @@ versionisator = "1.0.2"
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2.124"
-nix = "0.23.0"
+nix = "0.25.0"
 
 [features]
 default = ["codegen-rustfmt"]