Merge pull request kubernetes-retired#2 from brahmaroutu/add_approvers

Add approvers to facilitate project management

Author: k8s-ci-robot

container-object-storage-interface-provisioner-sidecar/OWNERS

@@ -5,3 +5,6 @@ approvers:
   - msau42
   - saad-ali
   - xing-yang
+  - wlan0
+  - brahmaroutu
+  - rrati