Bump actions/checkout from 3 to 4 #1841

	name: Scheduled Yarn audit
	on:
	schedule:
	# Once a day at 5 o-clock
	- cron: "0 5 * * *"
	push:
	branches: [main]
	pull_request:
	paths:
	- '.github/workflows/yarn-audit-scheduled.yml'
	defaults:
	run:
	working-directory: ./frontend
	jobs:
	audit:
	name: Audit
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Setup Node.js environment
	uses: actions/setup-node@v3
	with:
	node-version: "18"
	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
	- uses: actions/cache@v3
	id: yarn-cache
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-
	- name: Install dependencies
	run: yarn --prefer-offline --frozen-lockfile --check-files
	- name: Run audit
	run: yarn audit-ci --config audit-ci.jsonc
	- name: Yarn audit scan failure slack notification
	uses: rtCamp/action-slack-notify@v2
	env:
	SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
	SLACK_COLOR: ${{ job.status }}
	SLACK_USERNAME: GitHub-Alerts
	SLACK_TITLE: ${{ github.workflow }} has FAILED!
	SLACK_MESSAGE: "Yarn audit has found some vulnerabilities!"
	SLACK_CHANNEL: yjdh-alerts
	if: failure()

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