ci(github workflows): 调整pnpm和nodejs安装顺序

将pnpm安装提前到setup-node之前，适配pnpm缓存配置要求

.github/workflows/release.yml

@@ -30,19 +30,19 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
 
-      # 2. 安装 Node.js
+      # 2. 安装 pnpm（必须先于 setup-node 的 pnpm 缓存）
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 11
+
+      # 3. 安装 Node.js
       - name: Setup Node
         uses: actions/setup-node@v5
         with:
           node-version: lts/*
           cache: "pnpm"
 
-      # 3. 安装 pnpm
-      - name: Install pnpm
-        uses: pnpm/action-setup@v6
-        with:
-          version: 11
-
       # 4. 安装 Rust
       - name: Setup Rust
         uses: dtolnay/rust-toolchain@stable