drop support for python 3.8 #5

	# This workflow does the following:
	#
	# - run tests and lint with a variety of Python versions on windows, linux and macos [1]
	#
	# Notes:
	#
	# - to skip the workflow, add [skip ci] to the commit message [2]
	# - the workflow is reusable [3]
	#
	# References
	#
	# [1]: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
	# [2]: https://docs.github.com/en/actions/managing-workflow-runs/skipping-workflow-runs
	# [3]: https://docs.github.com/en/actions/sharing-automations/reusing-workflows

	name: lint and unittest

	on:
	- push
	- pull_request
	# enable manual trigger
	- workflow_dispatch
	# make reusable
	- workflow_call

	jobs:
	test:
	# based on [1]
	strategy:
	fail-fast: false
	matrix:
	os: [macos-latest, windows-latest, ubuntu-latest]
	# see currently supported releases: https://devguide.python.org/versions/
	python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]

	runs-on: ${{ matrix.os }}
	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
	pip install -r requirements.txt
	- name: Lint with ruff
	run: \|
	pip install ruff
	ruff check --output-format=github .
	- name: Test with unittest
	run: \|
	python -m unittest

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