chore(deps-dev): update isort requirement

Updates the requirements on [isort](https://github.com/PyCQA/isort) to permit the latest version.
- [Release notes](https://github.com/PyCQA/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@5.13.2...8.0.1)

---
updated-dependencies:
- dependency-name: isort
  dependency-version: 8.0.1
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -59,7 +59,7 @@ pytest-cov = ">=2.4.0"
 pytest-mypy = "==0.10.3"
 mypy = "==1.8.0"
 pycodestyle = "^2.12.1"
-isort = "^5.13.2"
+isort = ">=5.13.2,<9.0.0"
 
 
 [tool.poetry.group.contract-tests]