Bump dessant/lock-threads from 3.0.0 to 4.0.1 #93

	name: CI

	on:
	push:
	branches: [master]
	pull_request: {}

	permissions:
	contents: read

	jobs:
	mypy:
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
	- name: Set up Python
	uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
	- name: Install dependencies
	run: pip install mypy
	- name: Run mypy
	run: mypy --strict certifi

	test:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version:
	- "3.6"
	- "3.7"
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	- "3.12-dev"
	steps:
	- uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@bd6b4b6205c4dbad673328db7b31b7fab9e241c0 # v4.6.1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install test dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install pytest
	- name: Test with pytest
	run: \|
	python -W error -W 'ignore:Running attrs on Python 3.6' -m pytest

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