Drop support for Python versions earlier than 3.8 #780

	name: Doc build

	on:
	pull_request

	jobs:
	docs:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.10
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'
	- name: Install dependencies and local packages
	run: python -m pip install .[docs]
	- name: Build HTML documentation with Sphinx
	run: \|
	cd docs
	python -m sphinx -b html -W source build

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