doc: Add a reference to the docker image #1045

	name: Security

	on:
	push:
	branches: [ main ]
	pull_request: ~
	schedule:
	# Do not make it the first of the month and/or midnight since it is a very busy time
	- cron: "* 10 5 * *"
	release:
	types: [ created ]

	# See https://stackoverflow.com/a/72408109
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	env:
	TERM: xterm

	jobs:
	security:
	runs-on: ubuntu-latest
	name: Audit Dependencies
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Cache the vulnerability database
	uses: actions/cache@v3
	id: cache-db
	with:
	path: ~/.symfony/cache
	key: db

	- name: Checks dependencies for known vulnerabilities
	uses: symfonycorp/security-checker-action@v4

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