Bump webrick from 1.8.1 to 1.8.2 #867

	name: pa11y tests

	on: [pull_request]

	jobs:
	build:
	name: Building site and running pa11y-ci tests
	runs-on: ubuntu-latest

	steps:
	- name: Checkout source.
	uses: actions/checkout@v4

	- name: Install jekyll site dependencies.
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.3
	bundler-cache: true

	- name: Install pa11y-ci dependencies.
	run: npm ci

	- name: Start up jekyll server.
	run: npm run start-detached

	- name: Run pa11y-ci.
	run: npm run pa11y-ci:sitemap 2>&1 \| tee pa11y_output.txt

	- name: Read pa11y_output file.
	id: pa11y_output
	uses: juliangruber/read-file-action@v1
	with:
	path: ./pa11y_output.txt

	- name: Comment on pull request.
	uses: thollander/actions-comment-pull-request@v2
	if: github.actor != 'dependabot[bot]'
	with:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	message: '<details><summary>Pa11y testing results</summary>


	```${{ steps.pa11y_output.outputs.content }}```

	</details>'

	- name: Check for pa11y failures.
	if: contains(steps.pa11y_output.outputs.content, 'errno 2')
	run: \|
	echo "::error::The site is failing accessibility tests. Please review the comment in the pull request or the pa11y-ci step in the workflow for details."
	exit 1

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