Add Python 3.12 to supported versions and test against on GitHub Actions; upgrade versioneer #1685

	name: Build Docs

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	docs:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python:
	- 3.8
	#- 3.9
	#- 3.10
	#- 3.11
	steps:
	- name: Check out repository
	uses: actions/checkout@v3
	with:
	# Fetch all commits so that versioneer will return something compatible
	# with semantic-version
	fetch-depth: 0

	- name: Set up Python ${{ matrix.python }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}

	- name: Install hdf5 (Ubuntu)
	if: matrix.python == '3.9' && startsWith(matrix.os, 'ubuntu')
	run: sudo apt-get update && sudo apt-get install -y libhdf5-dev

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip wheel
	python -m pip install --upgrade tox

	- name: Build docs
	run: tox -e docs

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