Improve some comments #4176

	name: Publish Storybook to Chromatic

	# See: https://www.chromatic.com/docs/setup-turbosnap/#github-pull_request-triggers
	on:
	workflow_dispatch:
	# Other Khan Academy repositories use this trigger for the chromaui/action
	# and it appears to work-ish, so we'll use the same. If it starts to break,
	# review the above URL to see how to fix it.
	pull_request:
	push:
	branches: [main]

	# When a new revision is pushed to a PR, cancel all in-progress CI runs for that
	# PR. See https://docs.github.com/en/actions/using-jobs/using-concurrency
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	chromatic:
	name: Publish Storybook to Chromatic
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest]
	node-version: [20.x]
	steps:
	# chromaui/@action doesn't work with shallow checkouts which is the
	# default for actions/checkout so we need to force it to checkout
	# more stuff.
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Install & cache node_modules
	uses: ./.github/actions/shared-node-cache
	with:
	node-version: ${{ matrix.node-version }}

	- name: Publish to Chromatic for visual testing
	uses: chromaui/action@v11
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	projectToken: ${{ secrets.CHROMATIC_APP_CODE }}
	autoAcceptChanges: "main"
	onlyStoryFiles: "*/regression.stories.tsx"

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