Clarify on OCI referrers

Signed-off-by: Sascha Grunert <[email protected]>

Author: saschagrunert

keps/sig-node/4639-oci-volume-source/README.md

@@ -369,6 +369,8 @@ potential enhancements may be required:
      image. These artifacts may or may not be located on the same
      registry/repository. The new referrers API allows for retrieving these
      artifacts.
+   - How Kubernetes and especially runtimes should support OCI referrers is not
+     part of the alpha feature and will be considered in future graduations.
 
 **Validation:**
    - Extend validation and security checks to cover new artifact types.

keps/sig-node/4639-oci-volume-source/kep.yaml

@@ -20,6 +20,9 @@ reviewers:
   - "@haircommander"
   - "@humblec"
   - "@jsafrane"
+  - "@kfox1111"
+  - "@ktarplee"
+  - "@liu-cong"
   - "@mariasalcedo"
   - "@mikebrow"
   - "@mrunalp"