Add missing npm install to CI workflow

.github/workflows/ci.yml

@@ -12,6 +12,19 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Build and deploy
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: "18.x"
+      - uses: actions/cache@v3
+        id: cache-modules
+        with:
+          path: "**/node_modules"
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/package-lock.json') }}
+      - name: Install dependencies
+        if: steps.cache-modules.outputs.cache-hit != 'true'
+        run: |
+          npm ci
+      - name: Deploy
         run: |
           npm run deploy