build(deps): bump clap-verbosity-flag from 2.1.1 to 2.1.2 (#125)

Bumps [clap-verbosity-flag](https://github.com/clap-rs/clap-verbosity-flag) from 2.1.1 to 2.1.2.
- [Changelog](https://github.com/clap-rs/clap-verbosity-flag/blob/master/CHANGELOG.md)
- [Commits](clap-rs/clap-verbosity-flag@v2.1.1...v2.1.2)

---
updated-dependencies:
- dependency-name: clap-verbosity-flag
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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