More github workflow tweaks

.github/workflows/test.yml

@@ -6,13 +6,30 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+      - name: Checkout 🛎️
+        uses: actions/checkout@v4 # If you're using actions/checkout@v2 you must set persist-credentials to false in most cases for the deployment to work correctly.
+        with:
+          persist-credentials: false
 
-    - name: Install modules
-      run: npm install
+      - name: Cache dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.OS }}-npm-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.OS }}-npm-
+            ${{ runner.OS }}-
 
-    - name: Lint
-      run: npm run lint
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
 
-    - name: Run tests
-      run: npm run test
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Run tests
+        run: npm run test