修改github自动化测试脚本-升级node到20

Author: kaokei

.github/workflows/build.yml

@@ -8,9 +8,9 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '18.x'
-      - run: npm install
-      - run: npm run unit
+          node-version: '20.x'
+      - run: pnpm install
+      - run: pnpm run coverage
       - name: Coveralls
         uses: coverallsapp/github-action@master
         with:
@@ -23,9 +23,9 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '18.x'
-      - run: npm install
-      - run: npm run build
+          node-version: '20.x'
+      - run: pnpm install
+      - run: pnpm run build
       - uses: actions/upload-artifact@v2
         with:
           name: my-artifact
@@ -39,7 +39,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '18.x'
+          node-version: '20.x'
       - uses: actions/download-artifact@v2
         with:
           name: my-artifact