bump pyyaml #336

	name: CI
	on: push
	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7,3.8]
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Fetch submodule tags
	run: \|
	cd utz/tests/data/gsmo
	git fetch --tags origin
	- name: Install test dependencies
	run: \|
	python -m pip install --upgrade pip wheel
	python -m pip install utz[setup]==0.3.17 # bootstrap setup() helper
	pip install -e .[setup,test]
	python -c 'import utz; print("utz version: %s, file: %s" % (utz.__version__, utz.__file__))'
	- name: Test
	run: \|
	git config --global user.name 'ci'
	git config --global user.email 'ci'
	mkdir ~/.ssh
	echo "${{ secrets.GITLAB_HAILSTONE_KEY }}" > ~/.ssh/id_rsa
	chmod 600 ~/.ssh/id_rsa
	ssh-keyscan -t rsa gitlab.com >> ~/.ssh/known_hosts
	pytest -v --ignore=utz/tests/data/gsmo
	release:
	runs-on: ubuntu-latest
	needs: test
	if: "startsWith(github.ref, 'refs/tags/')"
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.8.6'
	- name: Install release dependencies
	run: \|
	python -m pip install --upgrade pip wheel
	pip install setuptools twine
	pip install -e .[setup]
	- name: Build and publish
	env:
	TWINE_USERNAME: __token__
	TWINE_PASSWORD: ${{ secrets.pypi_token }}
	run: \|
	python setup.py sdist bdist_wheel
	twine upload dist/*

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