Drop Python 3.8 from workflows, run on 3.11 (#3228) #6790

	name: Style and type checks

	on: [push, pull_request]

	jobs:
	style-type-checks:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- uses: extractions/setup-just@v1
	- uses: actions/setup-python@v4
	with:
	python-version: '3.11'
	- name: Install dependencies
	run: \|
	pip install .
	# todo: install also `black[jupyter]`
	pip install click "black==24.02" "mypy==1.8.0" \
	types-python-dateutil types-waitress types-PyYAML
	- name: Style check
	run: just black
	- name: Type check
	run: just mypy
	- name: Check license headers
	run: just license

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