newer node

Author: bpcreech

.github/workflows/build.yaml

@@ -15,7 +15,9 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
+        with:
+          node-version: '21.6.1'
 
       - run: npm install
       - run: npm run build