Bump codecov/codecov-action from 3.1.4 to 3.1.5 #13

	name: Run Unit Tests

	on: [push, pull_request]

	jobs:
	unit-test:
	name: Python ${{ matrix.python-version }} ${{ matrix.os }} test
	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: false
	matrix:
	# 3.6 is the version readily available on EL7. Requires ubuntu-20.04.
	# 3.9 would seem to be the highest python version readily available
	# on EL8.
	# Also test against the very latest 3 series available.
	python-version: [3.6, 3.9, 3.x]
	os: [ubuntu-20.04, ubuntu-latest]
	exclude:
	- os: ubuntu-latest
	python-version: 3.6
	- os: ubuntu-20.04
	python-version: 3.9
	- os: ubuntu-20.04
	python-version: 3.x

	steps:
	- name: Checkout
	uses: actions/checkout@v4

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

	- name: Set up dependencies
	run: pip install -r requirements-test.txt

	- name: Run unit tests
	run: coverage run --branch --source=check -m unittest discover --buffer

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3.1.5

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