pkp/pkp-lib#7527 make chromatic work for forked PRs #4

	# .github/workflows/chromatic.yml

	# Workflow name
	name: 'Chromatic'

	# Event for the workflow
	on:
	push:
	pull_request:
	types: [opened, reopened]

	# List of jobs
	jobs:
	chromatic-deployment:
	# Operating System
	runs-on: ubuntu-latest
	# Job steps
	steps:
	- uses: actions/checkout@v1
	- name: Install dependencies
	# 👇 Install dependencies with the same package manager used in the project (replace it as needed), e.g. yarn, npm, pnpm
	run: npm install
	# 👇 Adds Chromatic as a step in the workflow
	- name: Publish to Chromatic
	uses: chromaui/action@v1
	# Chromatic GitHub Action options
	with:
	# 👇 Chromatic projectToken, refer to the manage page to obtain it.
	projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}

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