Use Node 18 in CI workflow #138

	name: JavaScript tests

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	permissions:
	contents: read

	jobs:
	test:
	name: Tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: '3.2'
	bundler-cache: true
	- name: Set up Node
	uses: actions/setup-node@v4
	with:
	node-version: '18'
	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run:
	echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
	- uses: actions/cache@v3
	id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-
	- name: Yarn
	run: yarn
	- name: Run tests
	run: bundle exec rake test:js

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