[ci] use pre-commit, update actions #135

	name: Continuous Integration

	# alwas run CI on new commits to any branch
	on: push

	jobs:
	test:
	name: ${{ matrix.task }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- task: linting
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Set up Python
	uses: conda-incubator/setup-miniconda@v3
	with:
	python-version: 3.11
	- name: linting
	if: matrix.task == 'linting'
	shell: bash
	run: \|
	pip install --upgrade pre-commit
	pre-commit run --all-files
	all-tests-successful:
	if: always()
	runs-on: ubuntu-latest
	needs:
	- test
	steps:
	- name: Decide whether the needed jobs succeeded or failed
	uses: re-actors/alls-green@v1.2.2
	with:
	jobs: ${{ toJSON(needs) }}

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