Update flake8-isort requirement from <=6.1.1,>=5.0.0 to >=5.0.0,<=6.1.2

Updates the requirements on [flake8-isort](https://github.com/gforcada/flake8-isort) to permit the latest version.
- [Changelog](https://github.com/gforcada/flake8-isort/blob/main/CHANGES.rst)
- [Commits](gforcada/flake8-isort@5.0.0...6.1.2)

---
updated-dependencies:
- dependency-name: flake8-isort
  dependency-type: direct:development
...

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

requirements-dev.txt

@@ -14,7 +14,7 @@ black == 25.1.0
 flake8 >= 5.0.0, <= 7.1.1
 flake8-docstrings >= 1.0.0, <= 1.7.0
 flake8-eradicate >= 1.0.0, <= 1.5.0
-flake8-isort >=5.0.0, <= 6.1.1
+flake8-isort >= 5.0.0, <= 6.1.2
 pre-commit <= 4.1.0
 
 # testing and benchmarking