Fix pipeline

.github/workflows/build.yaml

@@ -23,10 +23,13 @@ jobs:
               node-version: 22
 
           - name: Install Node.js dependencies
-            run: yarn --frozen-lockfile
+            run: npm install
 
           - name: Run linters
             uses: wearerequired/lint-action@v2
             with:
+              eslint: true
+              eslint_dir: backend/
               prettier: true
+              prettier_dir: backend/
               auto_fix: true