Merge pull request #88 from fubarnetes/dependabot/cargo/nix-gte-0.28.0-and-lt-0.32

build(deps): update nix requirement from >=0.28.0, <0.31 to >=0.28.0, <0.32

Author: asomers

Cargo.toml

@@ -29,7 +29,7 @@ serialize = ["serde", "serde_json"]
 
 [dependencies]
 libc = "0.2.155"
-nix = { version = ">=0.28.0, <0.31", default-features = false, features = [ "signal", "user" ] }
+nix = { version = ">=0.28.0, <0.32", default-features = false, features = [ "signal", "user" ] }
 unit-prefix = "0.5"
 sysctl = ">=0.5.0, < 0.8"
 serde = { version="1.0.113", features = ["derive"], optional=true }