MNT: migrate requirement files to PEP 735 dependency groups #1184

	name: CI (bleeding edge)
	# this workflow is heavily inspired from pandas, see
	# https://github.com/pandas-dev/pandas/blob/master/.github/workflows/python-dev.yml

	# goal: check stability against dev versions of Python, numpy, and matplotlib

	on:
	push:
	branches:
	- main
	pull_request:
	paths:
	- .github/workflows/bleeding-edge.yaml
	schedule:
	# run this every Wednesday at 3 am UTC
	- cron: 0 3 * * 3
	workflow_dispatch:

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest

	runs-on: ${{ matrix.os }}
	name: Test nightly dependencies
	timeout-minutes: 60

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: astral-sh/setup-uv@v3
	with:
	enable-cache: true
	cache-dependency-glob: \|
	**/pyproject.toml

	- name: Install dependencies
	run: \|
	uv venv -p 3.13
	uv pip install --pre --no-build numpy matplotlib \
	--extra-index-url \
	https://pypi.anaconda.org/scientific-python-nightly-wheels/simple \
	--index-strategy=unsafe-best-match

	- name: Build library
	run: uv pip install .

	- name: Run test suite
	# forcing bytecode compilation for colorspacious
	# see https://github.com/astral-sh/uv/issues/4758
	run: \|
	uv run --no-editable --compile-bytecode --group test \
	pytest --color yes --mpl-results-path=test_results

	- uses: actions/upload-artifact@v4
	if: failure()
	with:
	name: test_results
	path: test_results/

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