unittests.yml: `python setup.py install` is deprecated #17

	name: Run unittests

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	# https://packaging.python.org/en/latest/discussions/setup-py-deprecated
	# python setup.py install
	pip install --editable .
	- name: Run unittests
	run: \|
	python tests/unit_tests.py
	python tests/field_tests.py
	python tests/csv_id_to_node_id_map_tests.py
	- run: \|
	pip install pytest
	pytest tests \|\| true

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