⬆ Upgrade isort to version 5.x.x (#1670)

⬆ Upgrade isort to version 5.x.x (#1670)

* Update isort script to match changes in the new release, isort v5.0.2

* Downgrade isort to version v4.3.21

* Add an alternative flag to --recursive in isort v5.0.2

* Add isort config file

* 🚚 Import from docs_src for tests

* 🎨 Format dependencies.utils

* 🎨 Remove isort combine_as_imports, keep black profile

* 🔧 Update isort config, use pyproject.toml, Black profile

* 🔧 Update format scripts to use explicit directories to format

otherwise it would try to format venv env directories, I have several with different Python versions

* 🎨 Format NoSQL tutorial after re-sorting imports

* 🎨 Fix format for __init__.py

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>