chore(ci): 更新文档发布工作流以使用 Bun.js

- 将 Node.js 设置替换为 Bun.js 安装
- 更新依赖安装命令从 npm 到 bun
- 更新构建命令从 npm run build 到 bun run build
- 移除缓存配置选项

.github/workflows/publish-docs.yml

@@ -31,24 +31,20 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # 2️⃣ 安装 Node.js
-      - name: Setup Node
-        uses: actions/setup-node@v4
+      # 2️⃣ 安装 Bun.js
+      - uses: oven-sh/setup-bun@v2
         with:
-          node-version: 20
-          cache: 'npm'
-
+          bun-version: latest
       # 3️⃣ 安装依赖
       - name: Install Dependencies
         run: |
           cd docs
-          npm install
-
+          bun install
       # 4️⃣ 构建 VitePress
       - name: Build VitePress
         run: |
           cd docs
-          npm run build
+          bun run build
 
       # 5️⃣ 上传构建产物
       - name: Upload Pages Artifact