Update dependency eslint to v9 #7096

	name: Static Code Analysis

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

	jobs:
	backend:
	environment: Demo
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	distribution: 'zulu'
	java-version: 21
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: SonarQube Scan Backend
	run: ./gradlew test sonarqube
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
	frontend:
	environment: Demo
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up Node 21
	uses: actions/setup-node@v4
	with:
	node-version: '21'
	- name: SonarQube Frontend
	run: cd ./frontend && npm install && npm test && npm run sonar
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

Provide feedback