feat: implement `shape_touched` optimisation #1821

	name: PyPI Tests

	on:
	push:
	branches: ['main']
	paths-ignore: ['.md', 'docs/']
	pull_request:
	paths-ignore: ['.md', 'docs/']
	workflow_dispatch:

	concurrency:
	group: 'pypi-tests-${{ github.head_ref \|\| github.run_id }}'
	cancel-in-progress: true

	jobs:
	pytest:
	strategy:
	fail-fast: false
	matrix:
	platform: [ubuntu-latest, macos-latest, windows-latest]
	python-version: ["3.8", "3.9", "3.10", "3.11"]
	runs-on: ${{matrix.platform}}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: setup Python ${{matrix.python-version}}
	uses: actions/setup-python@v4
	with:
	python-version: ${{matrix.python-version}}
	- name: install
	run: \|
	pip install pip wheel -U
	pip install dask[complete]
	pip install -q --no-cache-dir .[complete,test]
	pip list
	- name: test
	run: \|
	python -m pytest

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