use ruff instead of black in CI lint check

[amunger]

we now recommend using Ruff and removed the recommendation of black, but still format the files with black (although black is still mentioned in contributing.md). Could we switch the lint check to use RUFF instead and remove our dependence from black entirely?

[amunger]

python extension also mentions black in their configuration guide https://github.com/microsoft/vscode-python/wiki/Coding#building, but seems like that might just be out of date. cc @karthiknadig