chore(deps-dev): update isort requirement in /requirements

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@8.0.1...9.0.1)

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

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

Author: dependabot[bot]

requirements/development.txt

@@ -4,5 +4,5 @@
 black
 
 
-isort>=8.0.1
+isort>=9.0.1
 pre-commit>=4,<5