upstream changes (npm/nginx/dependencies) + add eslint

Signed-off-by: Zoey <zoey@z0ey.de>

.github/workflows/pull-request.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 19
       - name: Test Backend
         run: |
           sudo pip install certbot
@@ -25,7 +25,7 @@ jobs:
           sudo cp rootfs/etc/tls/certbot.ini /data/tls/certbot/config.ini
           mv global backend
           cd backend
-          npm install --force
+          npm install --package-lock=false --force
           sudo nginx
           NODE_ENV=production sudo -E timeout 30 node --abort_on_uncaught_exception --max_old_space_size=250 index.js || if [ "$?" == "124" ]; then exit 0; else exit 1; fi
       - name: Kill workflow
@@ -39,7 +39,7 @@ jobs:
         uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 19
       - name: Prepare frontend
         run: |
           export NODE_OPTIONS=--openssl-legacy-provider