Bump assert_cmd from 2.1.1 to 2.1.2 in the rust group

Bumps the rust group with 1 update: [assert_cmd](https://github.com/assert-rs/assert_cmd).


Updates `assert_cmd` from 2.1.1 to 2.1.2
- [Changelog](https://github.com/assert-rs/assert_cmd/blob/master/CHANGELOG.md)
- [Commits](assert-rs/assert_cmd@v2.1.1...v2.1.2)

---
updated-dependencies:
- dependency-name: assert_cmd
  dependency-version: 2.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust
...

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Author: dependabot[bot]