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/develop/CHANGELOG.md)
- [Commits](PyCQA/isort@5.7.0...5.8.0)

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

Author: dependabot-preview[bot]

dev-requirements.txt

@@ -15,7 +15,7 @@ flake8-commas==2.0.0  # Require silicon valley commas
 flake8-quotes==3.2.0  # Require single quotes
 flake8==3.9.0  # Lint
 freezegun==1.1.0
-isort==5.7.0  # Lint imports
+isort==5.8.0  # Lint imports
 mypy==0.812  # Type checking
 pip_check_reqs==2.2.0
 pydocstyle==6.0.0  # Lint docstrings