Bump xz2 from 0.1.6 to 0.1.7

Bumps [xz2](https://github.com/alexcrichton/xz2-rs) from 0.1.6 to 0.1.7.
- [Release notes](https://github.com/alexcrichton/xz2-rs/releases)
- [Commits](alexcrichton/xz2-rs@0.1.6...0.1.7)

---
updated-dependencies:
- dependency-name: xz2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -33,7 +33,7 @@ clap = { version = "3.2", features = ["derive"] }
 tar = "0.4"
 tee = "0.1"
 tempfile = "3"
-xz2 = "0.1.6"
+xz2 = "0.1.7"
 chrono = "0.4.11"
 colored = "2"