build(deps-dev): bump commitizen from 2.20.5 to 2.21.0 (#151)

Bumps [commitizen](https://github.com/commitizen-tools/commitizen) from 2.20.5 to 2.21.0.
- [Release notes](https://github.com/commitizen-tools/commitizen/releases)
- [Changelog](https://github.com/commitizen-tools/commitizen/blob/master/CHANGELOG.md)
- [Commits](commitizen-tools/commitizen@v2.20.5...v2.21.0)

---
updated-dependencies:
- dependency-name: commitizen
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Diff for: poetry.lock

@@ -28,7 +28,7 @@ pytest = "^7.0.1"
 flake8 = "^4.0.1"
 isort = "^5.9.3"
 pytest-cov = "^3.0.0"
-commitizen = "^2.20.5"
+commitizen = "^2.21.0"
 python-semantic-release = "^7.24.0"
 python-dotenv = "^0.19.2"