Update minimum Python version referenced in README #80

	name: PyPI publishing

	on:
	push:
	create:

	jobs:
	pypi_publish:
	name: Publish to PyPI

	runs-on: ubuntu-latest

	strategy:
	fail-fast: true

	if: contains(github.ref, 'refs/tags/')

	steps:

	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9

	- name: Install dependencies
	run: sh bin/cicd_install.sh

	- name: Build package
	run: poetry build

	- name: Validate built wheel
	run: sh bin/cd_validate_build.sh

	#################################################
	# publish to Test PyPI for validation purposes

	- name: Configure Test Pypi
	run: poetry config repositories.testpypi https://test.pypi.org/legacy/

	- name: Publish to Test PyPI
	env:
	TEST_PYPI_TOKEN: ${{ secrets.PARSENVY_TEST_PYPI }}
	run: poetry publish -r testpypi -u __token__ -p "$TEST_PYPI_TOKEN"

	#################################################
	# publish to production PyPI

	- name: Publish to production PyPI
	env:
	PRODUCTION_PYPI_TOKEN: ${{ secrets.PARSENVY_PRODUCTION_PYPI }}
	run: poetry publish -u __token__ -p "$PRODUCTION_PYPI_TOKEN"

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