Update js_tranform.yml (#1568)

.github/workflows/js_tranform.yml

@@ -13,6 +13,17 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v3
 
+      - name: Set Up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+
+      - name: Install Dependencies
+        run: |
+          cd app
+          npm install
+          npm install --global abaplint
+
       - name: Run JS Transformation
         run: |
           cd app