Update isort requirement from <5.13,>=5.12 to >=5.12,<5.14

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@5.12.0...5.13.2)

---
updated-dependencies:
- dependency-name: isort
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -32,7 +32,7 @@ dev = [
   "ruff",
   "mypy>=1.0,<1.5",
   "black>=23.0,<24.0",
-  "isort>=5.12,<5.13",
+  "isort>=5.12,<5.14",
   "pytest",
   "pytest-sphinx",
   "pytest-cov",