Merge pull request #3962 from ruby/dependabot/bundler/concurrent-ruby… #4974

	name: ci

	on: [push, pull_request]

	permissions: # added using https://github.com/step-security/secure-workflows
	contents: read

	jobs:
	build:
	name: build (${{ matrix.ruby }} / ${{ matrix.os }})

	strategy:
	matrix:
	ruby: ["3.2"]
	os: [ubuntu-latest]
	fail-fast: false

	runs-on: ${{ matrix.os }}

	steps:
	- name: Dump environment
	run: env \| sort
	- name: Checkout ruby/www.ruby-lang.org
	uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
	with:
	fetch-depth: 1
	- name: Setup Ruby
	uses: ruby/setup-ruby@89f90524b88a01fe6e0b732220432cc6142926af # v1.313.0
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	- name: Setup Node.js
	uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
	with:
	node-version: '22'
	cache: 'npm'
	- name: Install npm dependencies
	run: npm ci
	- name: Build CSS
	run: npm run build-css
	- name: Dump Ruby version
	run: ruby -v
	- name: Run tests
	run: bundle exec rake test

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