drop python < 3.10 support #28

	name: documentation

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	docs:
	name: Build documentation
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	# this action updates pip, setuptools, and wheel before install
	- name: Install Python dependencies
	run: \|
	pip install --upgrade pip setuptools wheel
	pip install .[publishing]

	- name: Trigger Sphinx build
	run: \|
	cd docs
	make html

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