Bump mypy from 1.5.1 to 1.6.1 #818

	# Some things borrowed from Hikari CI workflows
	name: lint

	on: [push, pull_request]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	lint:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install -r dev_requirements.txt
	pip install flake8
	- name: Run black
	run: \|
	black --check .
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Typecheck with pyright
	run: \|
	pyright

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