reordering links

Author: aahill

articles/ai-services/openai/toc.yml

@@ -240,13 +240,13 @@ items:
         - name: What is the Provisioned Managed offering (PTU)?
           href: ./concepts/provisioned-throughput.md
           displayName: PTU, provisioned, provisioned throughput units
-        - name: Azure OpenAI PTU updates
-          href: ./concepts/provisioned-migration.md
         - name: Get started with Provisioned Deployments
           href: ./how-to/provisioned-get-started.md
           displayName: PTU, provisioned, provisioned throughput units
         - name: Provisioned spillover
           href: ./how-to/spillover-traffic-management.md
+        - name: Azure OpenAI PTU updates
+          href: ./concepts/provisioned-migration.md
       - name: Plan and manage costs
         href: ./how-to/manage-costs.md
       - name: Performance & latency