Update Sigstore used in Actions #52

	name: Python Package CI

	on: [push, pull_request]

	jobs:
	build-and-test:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	python-version: [3.12]

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	pip install poetry
	poetry install
	- name: Check for syntax errors
	run: \|
	python -m compileall .
	- name: Run tests
	run: \|
	PYTHONPATH=src poetry run pytest

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