Bump codecov/codecov-action from 3 to 4 #644

	name: Python tests

	on:
	push:
	branches: [latest]
	pull_request:
	branches: [latest]
	schedule:
	- cron: "0 0 7 * *" # monthly

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	py: ["3.10", 3.9, 3.8]
	fail-fast: false

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

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

	- name: Get pip cache dir
	id: pip-cache
	run: \|
	echo "::set-output name=dir::$(pip cache dir)"

	- name: pip cache
	uses: actions/cache@v4
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-v2-${{ hashFiles('**/setup.py') }}
	restore-keys: \|
	${{ runner.os }}-pip-v2

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions

	- name: tox cache
	uses: actions/cache@v4
	with:
	path: .tox/
	key: ${{ runner.os }}-tox-v2-${{ hashFiles('**/setup.py') }}
	restore-keys: \|
	${{ runner.os }}-tox-v2

	- name: Test with tox
	run: tox
	env:
	PYTHONDEVMODE: 1

	- name: Upload Python coverage to codecov
	uses: codecov/codecov-action@v4
	with:
	flags: python
	fail_ci_if_error: true
	files: coverage.xml

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