Bump actions/checkout from 4 to 6 #6

	name: CI

	on:
	push:
	branches: [main, master]
	pull_request:
	types: [opened, synchronize, reopened, ready_for_review]
	branches: [main, master]
	workflow_dispatch:

	concurrency:
	group: ci-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	tests:
	runs-on: ubuntu-latest
	if: ${{ github.event_name != 'pull_request' \|\| github.event.pull_request.draft == false }}

	steps:
	- name: Check out
	uses: actions/checkout@v6

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.11"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt

	- name: Compile Python files
	run: \|
	python - <<'PY'
	from pathlib import Path
	import py_compile

	paths = sorted(Path("Scripts").rglob(".py")) + sorted(Path("tests").rglob(".py"))
	for path in paths:
	py_compile.compile(str(path), doraise=True)
	PY

	- name: Validate release-facing files
	run: \|
	python3 Scripts/QA_QC/11_validate_panel_contract.py
	python3 Scripts/QA_QC/18_public_release_guard.py
	python3 Scripts/QA_QC/19_docs_style_guard.py
	python3 Scripts/QA_QC/05_repo_size_guard.py --max-file-size-mb 5 --top-n 25

	- name: Run tests
	env:
	PYTEST_DISABLE_PLUGIN_AUTOLOAD: "1"
	run: \|
	python3 -m pytest -q

Provide feedback