fix: update action workflow

Author: 逍为

.github/workflows/build.yml

@@ -6,11 +6,12 @@ jobs:
   build:
     runs-on: macOS-latest
     steps:
-      - uses: actions/checkout@v1
-      - name: Use Node.js 12
-        uses: actions/setup-node@v1
+      - name: Checkout
+        uses: actions/checkout@v2.3.4
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v2.1.5
         with:
-          node-version: 12.10.0
+          node-version: '20'
       - name: npm install
         run: |
           npm install