Fix Agents config (#37925)

* Add quotes for namespace

* fix

Author: JoshLove-msft

specification/ai/Azure.AI.Agents/tspconfig.yaml

@@ -22,7 +22,7 @@ options:
     emitter-output-dir: "{output-dir}/{service-dir}/{namespace}"
     api-version: "2025-05-15-preview"
     namespace: Azure.AI.Agents.Persistent
-    package-name: "{package-dir}"
+    package-name: "{namespace}"
     model-namespace: false
     flavor: azure
     examples-dir: "{project-dir}/examples"