Set ubuntu CI version to 20.04 #42

	name: Build and Test

	on:
	push:

	env:
	PYTHON_VERSION: '3.10.1'

	jobs:
	build:
	runs-on: ubuntu-20.04

	steps:
	- name: Install Python version
	uses: actions/setup-python@v2
	with:
	python-version: ${{ env.PYTHON_VERSION }}

	- name: Checkout code
	uses: actions/checkout@v2

	- name: Build
	run: python --version && pip install pipx && pipx install poetry && poetry install

	test:
	runs-on: ubuntu-20.04
	needs: build

	steps:
	- name: Install Python version
	uses: actions/setup-python@v2
	with:
	python-version: ${{ env.PYTHON_VERSION }}

	- name: Checkout code
	uses: actions/checkout@v2

	- name: Install Poetry
	run: pip install pipx && pipx install poetry

	- name: Install dependencies
	run: poetry install

	- name: Test
	run: poetry run pytest -v --cov=flapy --cov-branch --cov-report html:cov_html --cov-report=term-missing tests/
	working-directory: ${{ github.workspace }}

Provide feedback