Update build-web.yaml

Author: balloob

.github/workflows/build-web.yaml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4.1.1
       - uses: actions/setup-node@v4.0.0
         with:
-          node-version: 16
+          node-version: 20
       - name: Install dependencies
         run: dashboard/script/setup
       - name: Run Build