Update TOC.yml

Author: miwithro

articles/aks/TOC.yml

@@ -359,7 +359,7 @@
                   href: workload-identity-overview.md
                 - name: Deploy and configure cluster
                   href: workload-identity-deploy-cluster.md
-                - name: Modernize your app with workload identity
+                - name: Migrate your app from pod identity to workload identity
                   href: workload-identity-migrate-from-pod-identity.md
             - name: Use Azure AD pod identity
               href: use-azure-ad-pod-identity.md