Update isort requirement from ~=5.12.0 to ~=5.13.0 (#317)

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@5.12.0...5.13.0)

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

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

dev-requirements.txt

@@ -2,7 +2,7 @@ ruff~=0.1.7
 mypy~=1.7
 pdoc~=14.1.0
 nox~=2023.4.22
-isort~=5.12.0
+isort~=5.13.0
 pytest~=7.4.3
 pytest-asyncio~=0.23.2
 mock~=5.1.0