chore(deps-dev): bump isort from 5.12.0 to 5.13.2 in /backend

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>

backend/dev-requirements.txt

@@ -3,7 +3,7 @@ bandit==1.7.8
 black==24.3.0
 coverage==7.3.1
 flake8==6.1.0
-isort==5.12.0
+isort==5.13.2
 mypy-protobuf==3.5.0
 parameterized==0.9.0
 pep8-naming==0.13.3