fix: missing comma in bibtex entry in README.md #26

	name: PortageTextProcessing test suite

	on: [push]

	jobs:
	test-on-linux:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 5
	matrix:
	python: [3.6, 3.9]

	steps:
	- uses: actions/checkout@v3
	- name: Install Perl dependencies
	run: \|
	sudo apt-get install -y libxml-twig-perl libxml-writer-perl libxml-xpath-perl xml-twig-tools libxml2-utils
	- name: Set up Python ${{ matrix.python }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	- name: Install Python 3 dependencies
	run: \|
	pip3 install -r requirements.txt
	- name: Run tests
	run: \|
	source SETUP.bash && cd tests && ./run-all-tests.sh -show-logs

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