Merge pull request #69373 from subhtk/OCP12211

OCPBUG 12211:Added a note that tells using graph:true also enables mirroring of ubi image

Author: mburke5678

modules/oc-mirror-creating-image-set-config.adoc

@@ -67,6 +67,11 @@ mirror:
 <8> Specify only certain channels of the Operator packages to include in the image set. You must always include the default channel for the Operator package even if you do not use the bundles in that channel. You can find the default channel by running the following command: `oc mirror list operators --catalog=<catalog_name> --package=<package_name>`.
 <9> Specify any additional images to include in image set.
 +
+[NOTE]
+====
+The `graph: true` field also mirrors the `ubi-micro` image along with other mirrored images.
+====
++
 See _Image set configuration parameters_ for the full list of parameters and _Image set configuration examples_ for various mirroring use cases.
 
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