fix: 修复workflow指定node版本错误语法

.github/workflows/push-build.yaml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [20.x]
+        node-version: [18.18.2, 20.12.0] # 修改这里以包含所需的 Node.js 版本
         os: [ubuntu-latest, windows-latest, macos-latest]
         experimental: [true]
 
@@ -16,10 +16,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Install Node.js ${{ matrix.node-version }}
+      - name: Set up Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
         with:
-          node-version: ['18.18.2', '20.12.0']
+          node-version: ${{ matrix.node-version }}
 
       - uses: pnpm/action-setup@v2
         name: Install pnpm