fix(deps): Bump flake8-isort from 2.8.0 to 4.0.0

Author: Michael Brewer

poetry.lock

@@ -38,9 +38,9 @@ flake8-builtins = "^1.5.3"
 flake8-comprehensions = "^3.4.0"
 flake8-debugger = "^4.0.0"
 flake8-fixme = "^1.1.1"
-flake8-isort = "^2.8.0"
+flake8-isort = "^4.0.0"
 flake8-variables-names = "^0.0.4"
-isort = "^4.3.21"
+isort = "^5.7.0"
 pytest-cov = "^2.11.1"
 pytest-mock = "^3.5.1"
 pdoc3 = "^0.9.2"