Update isort requirement from <=5.13.2,>=5.11.0 to >=5.11.0,<=6.0.0

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@5.11.0...6.0.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -63,7 +63,7 @@ dependencies = [
 agrag = "agrag.main:ag_rag"
 
 [project.optional-dependencies]
-tests = ["pytest", "pytest-mock", "tox", "black>=23.1.9, <=24.10.0", "isort>=5.11.0, <=5.13.2"]
+tests = ["pytest", "pytest-mock", "tox", "black>=23.1.9, <=24.10.0", "isort>=5.11.0, <=6.0.0"]
 
 # Testing and formatting configurations
 [tool.black]