Update node version and run cypress tests headless

.github/workflows/run-e2e-tests.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up node 18
         uses: actions/setup-node@v4
         with:
-          node-version: 18.17.1
+          node-version: 20.17.0
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build JAR with mvn package
@@ -40,6 +40,6 @@ jobs:
           wait-on: 'http://localhost:8080/'
           wait-on-timeout: 120
           browser: chrome
-          headed: true
+          headed: false
           working-directory: src/test/e2e
           config: baseUrl=http://localhost:8080