fixed SharePoint reference in TOC

Author: HeidiSteen

articles/search/toc.yml

@@ -303,7 +303,7 @@ items:
             href: search-how-to-index-sql-server.md
         - name: OneLake files
           href: search-how-to-index-onelake-files.md
-        - name: SharePoint and OneDrive
+        - name: SharePoint Online
           href: search-howto-index-sharepoint-online.md
     - name: Skillsets
       items: