Bump pypa/gh-action-pypi-publish in /.github/workflows #55

	name: Automated tests
	on: push

	jobs:
	test:
	name: Execute all automated tests
	runs-on: ubuntu-20.04
	steps:
	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.8'
	- name: Checkout
	uses: actions/checkout@v1
	- name: Chache pip dependencies
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Chache GUM corpus
	uses: actions/cache@v2
	with:
	path: gum.zip
	key: ${{ runner.os }}-gum-${{ hashFiles('package/download-gum-corpus.sh') }}
	- name: Install dependencies
	run: pip install cffi networkx setuptools
	- name: Run setup.py
	run: python setup.py build
	- name: Download GUM test corpus
	run: "./package/download-gum-corpus.sh"
	- name: Run documentation tests
	run: "./doctest_runner.py"
	- name: Run unit tests
	run: python -m unittest

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