etc: drop Python 3.7 from CI #25

	name: Deploy mkdocs to Github pages
	on:
	push:
	branches:
	- master

	jobs:
	deploy-docs:
	name: Deploy docs
	runs-on: ubuntu-latest
	steps:
	- name: Checkout master
	uses: actions/checkout@v3
	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Install dependencies
	run: \|
	pip install -r requirements.txt
	pip install -r requirements-dev.txt
	pip install -e .
	- name: Install mkdocs dependencies
	run: \|
	pip install --upgrade pip
	pip install mkdocs
	pip install mkdocstrings
	pip install mkdocs-material
	- name: Build site
	run: mkdocs build --strict
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: site

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