bump version 1.1.1 -> 1.2.0 #20

	name: Publish package to PyPI
	on:
	push:
	tags:
	# See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#filter-pattern-cheat-sheet
	- '[0-9]+.[0-9]+.[0-9]+'
	- '[0-9]+.[0-9]+.[0-9]+[a-c][0-9]+'
	- '[0-9]+.[0-9]+.[0-9]+alpha[0-9]+'
	- '[0-9]+.[0-9]+.[0-9]+beta[0-9]+'
	- '[0-9]+.[0-9]+.[0-9]+rc[0-9]+'

	jobs:
	build_and_publish:
	runs-on: ubuntu-22.04
	environment: pypi
	steps:

	- name: Check that PYPI_TOKEN secret exists
	env:
	CURRENT_PYPI_TOKEN: ${{ secrets.PYPI_TOKEN}}
	if: ${{ env.CURRENT_PYPI_TOKEN == '' }}
	run: echo "Secret PYPI_TOKEN is not defined." && exit 1

	- name: Checkout repository
	uses: actions/checkout@v4

	- name: "Set up Python 3.10"
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"

	- name: "Install poetry 1.8.2"
	run: curl -sSL https://install.python-poetry.org \| python3 - --version 1.8.2

	- name: Build package
	run: poetry build

	- name: Publish package to PyPI
	run: poetry publish --username "__token__" --password ${{ secrets.PYPI_TOKEN}}

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