Add build step to our zip action

.github/workflows/build-release-zip.yml

@@ -16,6 +16,29 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Cache node_modules
+        id: cache-node-modules
+        uses: actions/cache@v4
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+
+      - name: Setup node version and npm cache
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+
+      - name: Install Node dependencies
+        if: steps.cache-node-modules.outputs.cache-hit != 'true'
+        run: npm ci --no-optional
+
+      - name: Build plugin
+        run: |
+          npm run build
+
       - name: Generate ZIP file
         uses: 10up/action-wordpress-plugin-build-zip@stable
         env: