tests: add lint github action workflow #1

	---
	name: "lint"

	# yamllint disable-line rule:truthy
	on:
	push:
	branches:
	- "*"

	jobs:
	lint:
	name: tagged-release
	runs-on: ubuntu-22.04

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.8"
	cache: "pip"
	- run: pip install -r requirements.txt
	- run: flake8 --ignore=E501,E203,W503
	- run: black .
	- run: rst-lint README.rst

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