Merge pull request #25839 from Marusyk/rmarusyk/25800

Add tooltip for CSI in persistent volume page

Author: k8s-ci-robot

content/en/docs/concepts/storage/persistent-volumes.md

@@ -231,7 +231,7 @@ the following types of volumes:
 * Azure Disk
 * Portworx
 * FlexVolumes
-* CSI
+* {{< glossary_tooltip text="CSI" term_id="csi" >}}
 
 You can only expand a PVC if its storage class's `allowVolumeExpansion` field is set to true.