Bump nix from 0.22.0 to 0.22.1

Bumps [nix](https://github.com/nix-rust/nix) from 0.22.0 to 0.22.1.
- [Release notes](https://github.com/nix-rust/nix/releases)
- [Changelog](https://github.com/nix-rust/nix/blob/v0.22.1/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.22.0...v0.22.1)

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

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

Cargo.lock

@@ -588,9 +588,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.98"
+version = "0.2.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "320cfe77175da3a483efed4bc0adc1968ca050b098ce4f2f1c13a56626128790"
+checksum = "3cb00336871be5ed2c8ed44b60ae9959dc5b9f08539422ed43f09e34ecaeba21"
 
 [[package]]
 name = "libgit2-sys"
@@ -682,9 +682,9 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.22.0"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1e25ee6b412c2a1e3fcb6a4499a5c1bfe7f43e014bdce9a6b6666e5aa2d187"
+checksum = "e7555d6c7164cc913be1ce7f95cbecdabda61eb2ccd89008524af306fb7f5031"
 dependencies = [
  "bitflags",
  "cc",

Cargo.toml

@@ -88,7 +88,7 @@ wait-timeout = "0.2.0"
 tempfile = "3.2.0"
 
 [target.'cfg(unix)'.dev-dependencies]
-nix = "0.22.0"
+nix = "0.22.1"
 
 [build-dependencies]
 clap = { version = "2.33", optional = true }