Update node-sass.yml

.github/workflows/node-sass.yml

@@ -28,6 +28,10 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: "${{ env.NODE }}"
+          cache: npm
+
+      - name: Install npm dependencies
+        run: npm ci
 
       - name: Build CSS with node-sass
         run: |