rebrand from Azure OpenAI Studio

Author: eric-urban

zone-pivots/zone-pivot-groups.yml

@@ -161,7 +161,7 @@ groups:
   prompt: Choose your preferred usage method
   pivots:
   - id: programming-language-studio
-    title: Studio 
+    title: Portal 
   - id: programming-language-csharp
     title: C#
   - id: programming-language-go