Merge pull request #32000 from Kartik494/podsecuritypolicies

Added Pod security deprecation note

Author: k8s-ci-robot

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

@@ -125,9 +125,17 @@ driver. These attributes are specific to each driver and not
 standardized. See the documentation of each CSI driver for further
 instructions.
 
+### CSI driver restrictions
+ 
+{{< feature-state for_k8s_version="v1.21" state="deprecated" >}}
+
 As a cluster administrator, you can use a [PodSecurityPolicy](/docs/concepts/policy/pod-security-policy/) to control which CSI drivers can be used in a Pod, specified with the
 [`allowedCSIDrivers` field](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/#podsecuritypolicyspec-v1beta1-policy).
 
+{{< note >}}
+PodSecurityPolicy is deprecated and will be removed in the Kubernetes v1.25 release.
+{{< /note >}}
+
 ### Generic ephemeral volumes
 
 {{< feature-state for_k8s_version="v1.23" state="stable" >}}