Bump actions/checkout from 3 to 4 #3

	name: Python check

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	test_package:
	name: Test ${{ matrix.os }} Python ${{ matrix.python_version }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-20.04"]
	python_version: ["3.9", "3.10", "3.11", "3.12"]
	services:
	postgres:
	image: pgvector/pgvector:pg16
	env:
	POSTGRES_PASSWORD: postgres
	ports:
	- 5432:5432
	# needed because the postgres container does not provide a healthcheck
	options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
	steps:
	- uses: actions/checkout@v4
	- name: Setup python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python_version }}
	architecture: x64
	- name: Install dependencies
	run: \|
	python3 -m pip install -e src

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