Replace bespoke plugin handling with stevedore #38

	name: run tests
	on:
	push:
	pull_request:
	branches: [ main ]
	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python: ['3.10', '3.11']
	steps:
	- uses: actions/checkout@v3
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	- name: Install Tox and any other packages
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions
	- name: Run Tox
	# Run tox using the version of Python in `PATH`
	run: tox -epy
	flake8:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11
	- name: Install Tox and any other packages
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions
	- name: Lint with flake8
	run: tox -eflake8
	twine:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11
	- name: Install Tox and any other packages
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions
	- name: Run twine-check
	run: tox -etwine

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