ci: fix lint pipeline

.gitea/workflows/pipeline.yaml

@@ -14,16 +14,13 @@ jobs:
       - name: Checkout repository
         uses: https://gitea.com/actions/checkout@v4
       
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
+      - name: Install node and npm
+        run: apt-get update && apt-get install -y nodejs npm
       
       - name: Install dependencies for frontend
         working-directory: ./frontend
         run: npm ci
-      
+
       - name: Lint frontend
         working-directory: ./frontend
         run: npm run lint