Replace flake8/isort/black with ruff.

[Ruff](https://github.com/astral-sh/ruff) is a newer project from only a few
years ago that does all the things flake8/isort/black does, but in one package,
and is much faster. I think standardizing on ruff for new projects would help
have less tools to run and set up, and also reduce cycle time by making it run
anywhere from slightly to much faster than flake8 depending on the size of the
project.

content/engineering/languages-runtimes/python.md

@@ -47,9 +47,17 @@ Finally, in an effort to ensure our deployments are repeatable, our code **stand
   (though this is only a partial solution)
 
 ## Style
-Our **standard** tool for ensuring consistency across Python code bases is [flake8](http://flake8.pycqa.org/en/latest/). Its **default** settings are a good first step, as is using its [integration with isort](https://pypi.python.org/pypi/flake8-isort) for import order. We **suggest** investigating flake8's [plugin ecosystem](https://pypi.python.org/pypi?%3Aaction=search&term=flake8&submit=search) for more functionality.
 
-Use [Black](https://black.readthedocs.io/en/stable/) for automatic code formatting.
+Our **standard** tool for ensuring consistency across Python code bases is
+[Ruff](https://github.com/astral-sh/ruff). Its **default** settings are a good
+first step.
+
+It includes syntax checking (previously under
+[flake8](http://flake8.pycqa.org/en/latest/)), import ordering (previously under
+[isort](https://pypi.python.org/pypi/flake8-isort)), and automatic code
+formatting (same defaults as [Black](https://black.readthedocs.io/en/stable/)),
+but all in one package and runs much faster than previous programs. In older
+projects these tools may still be being used.
 
 Using Code Climate to measure complexity scores (by way of [radon](https://pypi.python.org/pypi/radon)) is also a reasonable **default** to ensure you see potentially confounding functions and classes.