Merge pull request #2725 from guardian/dependabot/github_actions/pnpm… #5256

	name: 'Chromatic'

	# Event for the workflow
	on:
	push:
	branches:
	- main
	pull_request:
	types: ['review_requested']

	# List of jobs
	jobs:
	chromatic-deployment:
	# Operating System
	runs-on: ubuntu-latest
	# Job steps
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0 # 👈 Required to retrieve git history
	- uses: pnpm/action-setup@v4
	with:
	version: latest
	- uses: actions/setup-node@v4
	with:
	node-version-file: '.nvmrc'
	cache: 'pnpm'
	- name: Install dependencies
	run: pnpm install --frozen-lockfile
	# 👇 Adds Chromatic as a step in the workflow
	- name: Publish to Chromatic
	uses: chromaui/action@v11
	# Chromatic GitHub Action options
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	# 👇 Chromatic projectToken, refer to the manage page to obtain it.
	projectToken: ${{ secrets.CHROMATIC_APP_CODE }}
	# Turn on Turbosnap, so we try to check only components that
	# have changed using the webpack dependency graph.
	# https://www.chromatic.com/docs/turbosnap
	onlyChanged: '!(main)' # only turbosnap on non-main branches

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