Releasing 4.0.0 #3

	name: Release

	on:
	push:
	tags:
	- '*'

	jobs:
	build:
	if: github.repository == 'jazzband/django-sortedm2m'
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	python -m pip install -U pip
	python -m pip install -U setuptools twine wheel

	- name: Build package
	run: \|
	python setup.py --version
	python setup.py sdist --format=gztar bdist_wheel
	twine check dist/*

	- name: Upload packages to Jazzband
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@master
	with:
	user: jazzband
	password: ${{ secrets.JAZZBAND_RELEASE_KEY }}
	repository_url: https://jazzband.co/projects/django-sortedm2m/upload

Provide feedback