edit ci.yml for test harness #4

	name: Run tests and Codecov
	on: [push, pull_request]
	jobs:
	run:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Python 3.10
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	- name: Install dependencies
	run: pip install -r requirements.txt

	- name: Run tests and collect coverage
	run: tests/run_tests.sh pytest --cov=rfbzero

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v4-beta
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

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