[ci] Bump actions/checkout from 2 to 4 #218

	---
	name: OpenWISP Ipam CI Build

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	build:
	name: Python==${{ matrix.python-version }} \| ${{ matrix.django-version }}
	runs-on: ubuntu-20.04

	strategy:
	fail-fast: false
	matrix:
	python-version:
	- "3.8"
	- "3.9"
	- "3.10"
	django-version:
	- django~=3.2.0
	- django~=4.1.0
	- django~=4.2.0

	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Dependencies
	id: deps
	run: \|
	pip install -U pip wheel setuptools
	pip install -U -r requirements-test.txt
	pip install -U -e .
	pip install ${{ matrix.django-version }}
	sudo npm install -g jslint stylelint

	- name: QA checks
	run: ./run-qa-checks

	- name: Tests
	if: ${{ !cancelled() && steps.deps.conclusion == 'success' }}
	run: \|
	coverage run ./runtests.py --parallel
	SAMPLE_APP=1 coverage run ./runtests.py --parallel
	coverage combine

	- name: Upload Coverage
	if: ${{ success() }}
	run: coveralls --service=github
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	COVERALLS_FLAG_NAME: \|
	python-${{ matrix.env.env }}
	COVERALLS_PARALLEL: true

	coveralls:
	name: Finish Coveralls
	needs: build
	runs-on: ubuntu-latest
	container: python:3-slim
	steps:
	- name: Finished
	run: \|
	pip3 install --upgrade coveralls
	coveralls --finish
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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