Add noreferrer scrubber #163

	name: ci
	concurrency:
	group: "${{github.workflow}}-${{github.ref}}"
	cancel-in-progress: true
	on:
	workflow_dispatch:
	schedule:
	- cron: "0 8 * * 3" # At 08:00 on Wednesday # https://crontab.guru/#0_8___3
	push:
	branches:
	- main
	- v..x
	tags:
	- v..*
	pull_request:
	types: [opened, synchronize]
	branches:
	- '*'

	jobs:
	rubocop:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: "3.1"
	bundler-cache: true
	- run: bundle exec rake rubocop

	test:
	needs: ["rubocop"]
	strategy:
	fail-fast: false
	matrix:
	ruby: ["2.5", "2.6", "2.7", "3.0", "3.1", "3.2", "head", "truffleruby-head", "jruby-9.4", "jruby-head"]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{matrix.ruby}}
	bundler-cache: true
	rubygems: 3.3.26 # for ruby 2.5
	- run: bundle exec rake test

	# borrowed from nokogiri/.github/workflows/downstream.yml
	downstream:
	needs: ["rubocop"]
	name: downstream-${{matrix.name}}
	strategy:
	fail-fast: false
	matrix:
	include:
	- url: https://github.com/rails/rails-html-sanitizer
	name: rails-html-sanitizer
	command: "bundle exec rake test"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: "3.2"
	bundler-cache: true
	rubygems: latest
	- run: \|
	git clone --depth=1 ${{matrix.url}} ${{matrix.name}}
	cd ${{matrix.name}}
	bundle add loofah --path ".."
	bundle install --local \|\| bundle install
	${{matrix.command}}

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