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] <support@dependabot.com>

Author: dependabot-preview[bot]

poetry.lock

@@ -31,7 +31,7 @@ cssmin = "*"
 jsmin = "*"
 pytest = "*"
 black = "^20.8b1"
-isort = "^5.6.4"
+isort = "^5.8.0"
 
 [tool.poetry.scripts]
 run = "wsgi:app"