Bump isort from 5.9.0 to 5.12.0 (#403)

Bumps [isort](https://github.com/pycqa/isort) from 5.9.0 to 5.12.0.
- [Release notes](https://github.com/pycqa/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@5.9.0...5.12.0)

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

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

requirements-dev.txt

@@ -1,6 +1,6 @@
 black==23.3.0
 flake8
-isort==5.9.0
+isort==5.12.0
 pre-commit
 pyre-check==0.9.18
 pytest