build(deps): bump nix from 0.25.0 to 0.26.1

Bumps [nix](https://github.com/nix-rust/nix) from 0.25.0 to 0.26.1.
- [Release notes](https://github.com/nix-rust/nix/releases)
- [Changelog](https://github.com/nix-rust/nix/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nix-rust/nix/compare/v0.25.0...v0.26.1)

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

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

Cargo.lock

@@ -400,7 +400,7 @@ dependencies = [
  "autocfg",
  "cfg-if",
  "crossbeam-utils",
- "memoffset 0.7.1",
+ "memoffset",
  "scopeguard",
 ]
 
@@ -1185,15 +1185,6 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
-[[package]]
-name = "memoffset"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "memoffset"
 version = "0.7.1"
@@ -1254,16 +1245,16 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.25.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e322c04a9e3440c327fca7b6c8a63e6890a32fa2ad689db972425f07e0d22abb"
+checksum = "46a58d1d356c6597d08cde02c2f09d785b09e28711837b1ed667dc652c08a694"
 dependencies = [
- "autocfg",
  "bitflags",
  "cfg-if",
  "libc",
- "memoffset 0.6.5",
+ "memoffset",
  "pin-utils",
+ "static_assertions",
 ]
 
 [[package]]
@@ -2037,6 +2028,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "strsim"
 version = "0.10.0"

Cargo.toml

@@ -59,7 +59,7 @@ self_update = {version = "0.32", default-features = false, features = ["rustls",
 # local backend
 walkdir = "2"
 ignore = "0.4"
-nix = "0.25"
+nix = "0.26"
 filetime = "0.2"
 # rest backend
 reqwest = {version = "0.11", default-features = false, features = ["json", "rustls-tls", "stream", "blocking"] }