Update manage.md (#22921)

Added a note to let users become aware of the OCI deletion endpoint.

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Co-authored-by: Craig Osterhout <[email protected]>

Author: sheltongraves

content/manuals/docker-hub/repos/manage/hub-images/manage.md

@@ -49,4 +49,9 @@ The following objects are shown in the diagram.
    2. Select **Preview and delete**.
    3. In the window that appears, verify the items that will be deleted and the
       amount of storage you will reclaim.
-   4. Select **Delete forever**.
+   4. Select **Delete forever**.
+
+  
+   > [!NOTE]
+   >
+   > If you would like to delete in bulk, you can use the [deletion API endpoint](/reference/api/registry/latest/#tag/delete).