Bump isort from 8.0.1 to 9.0.1 (#622)

Bumps [isort](https://github.com/PyCQA/isort) from 8.0.1 to 9.0.1.
- [Release notes](https://github.com/PyCQA/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@8.0.1...9.0.1)

---
updated-dependencies:
- dependency-name: isort
  dependency-version: 9.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

poetry.lock

@@ -59,7 +59,7 @@ pylint = ">=3.3.4,<5.0.0"
 pylint-pytest = "^1.1.8"
 pydocstyle = "^6.1.1"
 black = "^26.1.0"
-isort = ">=6.0.1,<9.0.0"
+isort = ">=6.0.1,<10.0.0"
 doc8 = "2.0.0"
 ruff = ">=0.11.10,<0.17.0"