Merge pull request #759 from VWS-Python/dependabot/pip/isort-5.5.4

Bump isort from 5.5.3 to 5.5.4

Author: adamtheturtle

dev-requirements.txt

@@ -13,7 +13,7 @@ flake8-commas==2.0.0  # Require silicon valley commas
 flake8-quotes==3.2.0  # Require single quotes
 flake8==3.8.3  # Lint
 freezegun==1.0.0  # Freeze time in tests
-isort==5.5.3  # Lint imports
+isort==5.5.4  # Lint imports
 keyring==21.4.0
 mypy==0.782 # Type checking
 pip_check_reqs==2.1.1