docs (spe): update lock API url

Update the API URL for the lock operation of a SharePoint Embedded Container.

Author: jaloplo

api-reference/beta/api/filestoragecontainer-lock.md

@@ -30,7 +30,7 @@ Choose the permission or permissions marked as least privileged for this API. Us
 ## HTTP request
 
 ``` http
-POST /storageContainers/{containerId}/lock
+POST /storage/fileStorage/containers/{containerId}/lock
 ```
 
 ## Request body
@@ -57,7 +57,7 @@ If successful, this method returns a `204 No Content` response code.
 The following example shows how to lock a fileStorageContainer.
 
 ``` http
-POST https://graph.microsoft.com/beta/storageContainers/b!ISJs1WRro0y0EWgkUYcktDa0mE8zSlFEqFzqRn70Zwp1CEtDEBZgQICPkRbil_5Z/lock
+POST https://graph.microsoft.com/beta/storage/fileStorage/containers/b!ISJs1WRro0y0EWgkUYcktDa0mE8zSlFEqFzqRn70Zwp1CEtDEBZgQICPkRbil_5Z/lock
 
 {
     "lockState": "lockedReadOnly"