renamed screenshot

Author: SteveSaunders1952

articles/spring-apps/media/quickstart/azure-storage-subscription-tmp.png renamed to articles/spring-apps/media/quickstart/azure-storage-subscription.png

@@ -48,7 +48,7 @@ Use the following steps to provision a service instance.
 
 1. Azure Cloud Shell workspaces are temporary. On initial start, the shell prompts you to associate an [Azure Storage](/azure/storage/common/storage-introduction) instance with your subscription to persist files across sessions.
 
-   :::image type="content" source="media/quickstart/Azure-storage-subscription.png" alt-text="Screenshot of Azure Storage subscription." lightbox="media/quickstart/Azure-storage-subscription.png":::
+   :::image type="content" source="media/quickstart/azure-storage-subscription.png" alt-text="Screenshot of Azure Storage subscription." lightbox="media/quickstart/azure-storage-subscription.png":::
 
 1. After you sign in successfully, use the following command to display a list of your subscriptions.