fix(workflow): 更新 Node.js 版本至 20.x

Author: chenshuai2144

.github/workflows/coverage.yml

@@ -12,7 +12,7 @@ jobs:
           fetch-depth: 1
       - uses: actions/setup-node@v3
         with:
-          node-version: 16.14.0
+          node-version: 20.x
       - name: Install pnpm
         uses: pnpm/action-setup@v2
         with: