update issue template

Author: derisen

.github/ISSUE_TEMPLATE.md

@@ -17,8 +17,8 @@
  - [ ] 4) Deploy to Azure Storage and App Service
  - [ ] 5-1) Call a web API using App Roles
  - [ ] 5-2) Call a web API using Security Groups
- - [ ] 6-1) Call a multi-tenant web API
- - [ ] 7-1) Call Microsoft Graph using on-behalf-of flow
+ - [ ] 6-1) Call Microsoft Graph using on-behalf-of flow
+ - [ ] 6-2) Call a multi-tenant web API
 ```
 
 ## This issue is for a