Convert to using uv and ruff and update dependencies, including rich #54

	name: Code quality and tests

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	code-checks:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	pip install tox tox-gh-actions
	- name: Run tests
	run: \|
	tox

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