Bump isort from 5.7.0 to 5.8.0

Bumps [isort](https://github.com/pycqa/isort) from 5.7.0 to 5.8.0.
- [Release notes](https://github.com/pycqa/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@5.7.0...5.8.0)

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

Author: dependabot[bot]

lint-requirements.txt

@@ -1,6 +1,6 @@
 bandit==1.7.0
 black==20.8b1
 flake8==3.9.0
-isort==5.7.0
+isort==5.8.0
 msgcheck==3.1
 pydocstyle==6.0.0