Re-added kubernetes-csi- in alias

Author: Garima-Negi

KUBERNETES_CSI_OWNERS_ALIASES

@@ -4,7 +4,7 @@ aliases:
 
   # SIG-Storage chairs and leads should always have approval rights in all repos.
   # Others may be added as needed here or in each repo.
-  approvers:
+  kubernetes-csi-approvers:
   - jsafrane
   - msau42
   - saad-ali
@@ -16,7 +16,7 @@ aliases:
   #
   # Reviewers are encouraged to set the "Busy" flag in their GitHub status
   # when they are temporarily unable to review PRs.
-  reviewers:
+  kubernetes-csi-reviewers:
   - andyzhangx
   - chrishenzie
   - ggriffiths