Update version of Codecov GitHub Action to v4 #245

	name: Python package

	on:
	push:
	branches: [master]
	pull_request:
	branches:
	- master
	- "dev*"
	- "release*"

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Lint with black
	uses: psf/black@stable
	with:
	options: "--check --diff --line-length=79"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f dev-requirements.txt ]; then pip install -r dev-requirements.txt; fi
	- name: Test with pytest
	run: \|
	pytest --pycodestyle -v --cov --cov-report=xml
	- name: Validate static typing with mypy
	run: \|
	mkdir -p .mypy_cache
	mypy --install-types --non-interactive .
	- name: Upload code coverage to Codecov
	if: ${{ matrix.python-version==3.8 }}
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
	files: ./coverage.xml
	name: codecov-umbrella
	fail_ci_if_error: true
	verbose: true

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