Update build-test.yml

Author: w8tcha

.github/workflows/build-test.yml

@@ -19,10 +19,12 @@ jobs:
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v6
-    - uses: actions/setup-node@v6
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
-    - run: npm install
+        cache: "npm"
+    - run: npm ci
     - run: npm run build
     - run: npx playwright install
     - run: npm run test