Bump aiosql from 5.0 to 9.0 #173

	name: Styles

	on: [push, pull_request]

	jobs:
	lint:
	name: Lint code

	runs-on: ubuntu-18.04

	strategy:
	matrix:
	python-version: [3.9]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2.3.2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	version: "1.1.12"
	virtualenvs-in-project: true

	- name: Set up cache
	uses: actions/cache@v2
	id: cache
	with:
	path: .venv
	key: venv-${{ runner.os }}-py-${{ matrix.python-version }}-poetry-${{ hashFiles('poetry.lock') }}

	- name: Ensure cache is healthy
	if: steps.cache.outputs.cache-hit == 'true'
	run: poetry run pip --version >/dev/null 2>&1 \|\| rm -rf .venv

	- name: Install dependencies
	run: poetry install --no-interaction

	- name: Run linters
	run: poetry run ./scripts/lint

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