ci: add node 20 for azd up in cicd

Author: manekinekko

.github/workflows/azure-dev.yml

@@ -29,6 +29,11 @@ jobs:
             - name: Checkout
               uses: actions/checkout@v4
 
+            - name: Setup Node.js v20
+              uses: actions/setup-node@v4
+              with:
+                node-version: 20
+            
             - name: Install azd
               uses: Azure/setup-azd@v1.0.0