Bump assert_cmd from 2.2.0 to 2.2.1

Bumps [assert_cmd](https://github.com/assert-rs/assert_cmd) from 2.2.0 to 2.2.1.
- [Changelog](https://github.com/assert-rs/assert_cmd/blob/master/CHANGELOG.md)
- [Commits](assert-rs/assert_cmd@v2.2.0...v2.2.1)

---
updated-dependencies:
- dependency-name: assert_cmd
  dependency-version: 2.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]