ci(workflow): 调整构建步骤顺序并添加 Node.js 设置

将 Node.js 设置步骤提前到构建流程的开始，确保后续步骤能正确使用 Node.js 环境

.github/workflows/build-windows.yml

@@ -14,6 +14,11 @@ jobs:
     runs-on: client-server
 
     steps:
+    - name: 🔧 设置 Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+
     - name: 📥 Checkout 代码
       uses: actions/checkout@v4
       with:
@@ -27,10 +32,6 @@ jobs:
         cache: true
         cache-dependency-path: libcore/go.sum
 
-    - name: 🔧 设置 Node.js
-      uses: actions/setup-node@v4
-      with:
-        node-version: '20'
 
     - name: 🔧 安装 MinGW
       run: |