Bump bzip2 from 0.4.3 to 0.4.4

Bumps [bzip2](https://github.com/alexcrichton/bzip2-rs) from 0.4.3 to 0.4.4.
- [Release notes](https://github.com/alexcrichton/bzip2-rs/releases)
- [Commits](https://github.com/alexcrichton/bzip2-rs/commits/0.4.4)

---
updated-dependencies:
- dependency-name: bzip2
  dependency-type: direct:production
...

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

Author: dependabot[bot]