Bump isort from 5.12.0 to 5.13.2 (#8772)

Bumps [isort](https://github.com/pycqa/isort) from 5.12.0 to 5.13.2.
- [Release notes](https://github.com/pycqa/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@5.12.0...5.13.2)

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

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

requirements/dev.txt

@@ -2,4 +2,4 @@ git+https://github.com/celery/py-amqp.git
 git+https://github.com/celery/kombu.git
 git+https://github.com/celery/billiard.git
 vine>=5.0.0
-isort==5.12.0
+isort==5.13.2