Update changelog and version for 4.2.1 #326

	name: Tests

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	tests:
	name: Python ${{ matrix.python-version }}
	runs-on: ubuntu-latest
	timeout-minutes: 10
	strategy:
	fail-fast: false
	matrix:
	python-version:
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	- "3.12"
	services:
	redis:
	image: redis
	ports:
	- 6379:6379
	options: >-
	--health-cmd "redis-cli ping"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	sentinel:
	image: bitnami/redis-sentinel
	ports:
	- 26379:26379
	options: >-
	--health-cmd "redis-cli -p 26379 ping"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	env:
	REDIS_MASTER_HOST: redis
	REDIS_MASTER_SET: sentinel
	REDIS_SENTINEL_QUORUM: "1"
	REDIS_SENTINEL_PASSWORD: channels_redis

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip wheel setuptools tox
	- name: Run tox targets for ${{ matrix.python-version }}
	run: \|
	ENV_PREFIX=$(tr -C -d "0-9" <<< "${{ matrix.python-version }}")
	TOXENV=$(tox --listenvs \| grep "^py$ENV_PREFIX" \| tr '\n' ',') python -m tox

	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.11"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip tox
	- name: Run lint
	run: tox -e qa

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