tox: drop py37-environment tests #179

	# Action which validates the ability to build this extension's documentation.

	name: Documentation

	on:
	push:
	branches:
	- main
	paths:
	- '.github/workflows/docs.yml'
	- 'doc/**'
	- 'CHANGES.rst'
	pull_request:
	branches:
	- main
	paths:
	- '.github/workflows/docs.yml'
	- 'doc/**'
	- 'CHANGES.rst'

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4

	- name: Cache pip
	uses: actions/cache@v3
	id: cache-pip
	with:
	path: ~/.cache/pip
	key: docs-pip

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install \
	latexmk \
	texlive-latex-extra \
	texlive-latex-recommended \
	-y
	sudo python -m pip install --upgrade sphinx

	- name: Install confluencebuilder
	run: \|
	sudo python -m pip install -e .

	- name: HTML
	run: make html
	working-directory: doc

	- name: PDF
	run: make latexpdf
	working-directory: doc

	- name: Archive generated PDF
	uses: actions/upload-artifact@v2
	with:
	name: sphinxcontrib-confluencebuilder.pdf
	path: doc/_build/latex/sphinxconfluencebuilder.pdf
	retention-days: 10

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