feat: Use Stan 2.34.1 #362

	name: pystan

	on: [push, pull_request]

	jobs:
	tests:
	name: pystan tests
	timeout-minutes: 30
	runs-on: ${{ matrix.runs-on }}
	strategy:
	matrix:
	include:
	- {runs-on: ubuntu-20.04, python-version: "3.9"}
	- {runs-on: ubuntu-22.04, python-version: "3.10"}
	- {runs-on: ubuntu-22.04, python-version: "3.11"}
	- {runs-on: macos-11, python-version: "3.9"}
	- {runs-on: macos-11, python-version: "3.10"}
	- {runs-on: macos-11, python-version: "3.11"}
	steps:
	- name: Check out repository
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install poetry
	run: pip install poetry~=1.7.1

	# export test dependencies from pyproject.toml, install them
	- name: Install dependencies
	run: \|
	poetry export -f requirements.txt --without-hashes --dev -o requirements.txt \
	&& pip install -r requirements.txt

	- name: Build and Install wheel
	run: \|
	poetry build -v
	python -m pip install dist/*.whl

	- name: Check code
	run: scripts/check

	- name: Run tests
	run: scripts/test

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