Bump actions/setup-node from 4.0.0 to 4.0.1 #118

	name: "Test"
	on:
	pull_request:
	push:

	jobs:
	# Run unit tests.
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- run: npm ci
	- run: npm test

	# Verify the action in an actual workflow.
	use:
	runs-on: ubuntu-latest
	outputs:
	as-tag-name: "${{steps.as-tag.outputs.project-name}}"
	as-ref-name: "${{steps.as-ref.outputs.project-name}}"
	as-tag-version: "${{steps.as-tag.outputs.project-version}}"
	as-ref-version: "${{steps.as-ref.outputs.project-version}}"
	steps:
	- name: Checkout project
	uses: actions/checkout@v4
	- name: Write changelog file
	run: \|
	cat <<EOF > changelog.md
	# Changelog

	Bla blah

	## [1.0] - first version

	All beginnings are hard. Forgive us.

	## [2.0] - best version

	Much improvements. Very feature. Upgraded yesterday, never regrets.

	Much wow.

	## [2.1] - approved version

	This version sucks. Don't upgrade. Stay on 2.0 without support forever.
	EOF
	- name: Extract changelog section
	uses: ./
	id: changelog
	with:
	file: changelog.md
	version: "2.0"
	- name: Access output, verifying that extraction section is correct and trimmed
	run: \|
	section="$(
	cat <<EOF
	Much improvements. Very feature. Upgraded yesterday, never regrets.

	Much wow.
	EOF
	)"
	[ "${{steps.changelog.outputs.section}}" = "${section}" ]

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