update toc

Author: nytian

articles/azure-functions/durable/TOC.yml

@@ -40,7 +40,7 @@
   - name: Configure storage provider - MSSQL
     href: quickstart-mssql.md
   - name: Configure Durable Functions with Azure Active Directory
-    href: durable-functions-configure-df-with-credentials.md   
+    href: durable-functions-configure-durable-functions-with-credentials.md   
 - name: Tutorials
   items:
   - name: Function chaining