Updates CI to 22.04 runners #282

	name: Run Python Tests
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.7', '3.9', '3.11']
	name: Python ${{ matrix.python-version }} build
	steps:
	- uses: actions/checkout@v2
	- name: Install Python 3
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Upgrade pip
	run: \|
	python -m pip install --upgrade pip
	- name: Install pipenv
	run: \|
	python -m pip install pipenv wheel
	- name: Install dependencies
	run: \|
	pipenv install --dev --pre
	- name: Install vendored ovs
	run: ./prepare.sh
	- name: Run tests with pytest
	run: pipenv run python -m pytest
	- name: Check format
	run: pipenv run python -m black --check --diff .
	- name: Run flake8
	run: pipenv run python -m flake8 ovs_dbg --exclude vendor

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