chore(deps)(deps-dev): update isort requirement (#23)

Updates the requirements on [isort](https://github.com/PyCQA/isort) to permit the latest version.

Updates `isort` to 8.0.0
- [Release notes](https://github.com/PyCQA/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@5.12.0...8.0.0)

---
updated-dependencies:
- dependency-name: isort
  dependency-version: 8.0.0
  dependency-type: direct:development
  dependency-group: all-dependencies
...

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Author: dependabot[bot]

pyproject.toml

@@ -151,7 +151,7 @@ dev = [
     # Quality checks
     "ruff>=0.4,<1.0",
     "black>=23.0.0,<27.0",
-    "isort>=5.12,<8.0",
+    "isort>=5.12,<9.0",
     "mypy>=1.0,<2.0",
     "radon>=6.0,<7.0",
     "import-linter>=2.0,<3.0",