[TASK] Update eslint to v9 #6550

	name: CGL
	on:
	push:
	branches:
	- main
	- 'renovate/**'
	pull_request:
	branches:
	- main

	jobs:
	cgl:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	# Prepare environment
	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 8.3
	tools: composer:v2, composer-require-checker, composer-unused:0.7
	coverage: none
	- name: Setup Node
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: 'yarn'

	# Validation
	- name: Validate composer.json
	run: composer validate

	# Install dependencies
	- name: Install Composer dependencies
	uses: ramsey/composer-install@v2
	- name: Install node modules
	run: yarn --frozen-lockfile

	# Audit packages
	- name: Audit Composer dependencies
	run: composer audit
	- name: Audit Frontend dependencies
	run: yarn audit

	# Check dependencies
	- name: Check dependencies
	run: composer-require-checker check
	- name: Check for unused Composer dependencies
	run: composer-unused --excludePackage=symfony/css-selector
	- name: Check for unused Frontend dependencies
	run: yarn check-dependencies

	# Linting
	- name: Lint composer.json
	run: composer lint:composer
	- name: Lint PHP
	run: composer lint:php
	- name: Lint CSS
	run: yarn lint:css
	- name: Lint JavaScript
	run: yarn lint:js

	# SCA
	- name: SCA PHP
	run: composer sca -- --error-format github

	# Migration
	- name: Rector migration
	run: composer migration -- --dry-run

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