Enforce ruff linting on commits

[paulooctavio]

Proposed changes

Addresses issue #268 by enforcing ruff linting on pre-commit hooks.

Types of changes

What types of changes does your code introduce to quinn?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)