set ruff as VSCode defaultFormatter for python

[andiradulescu]

Proof of concept on setting ruff as VSCode defaultFormatter for python.

"Format Document" has been run on can_replay.py.

[github-actions]

Thanks for contributing to openpilot! In order for us to review your PR as quickly as possible, check the following:

• Convert your PR to a draft unless it's ready to review
• Read the contributing docs
• Before marking as "ready for review", ensure:
  • the goal is clearly stated in the description
  • all the tests are passing
  • the change is something we merge
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[adeebshihadeh]

We intentionally don't use a formatter and keep our linter relatively relaxed. https://github.com/commaai/openpilot/blob/master/docs/CONTRIBUTING.md#what-doesnt-get-merged