[VOL-4290] Voltha go library updates for gRPC migration

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/sigs.k8s.io/yaml/OWNERS b/vendor/sigs.k8s.io/yaml/OWNERS
index 11ad7ce..325b40b 100644
--- a/vendor/sigs.k8s.io/yaml/OWNERS
+++ b/vendor/sigs.k8s.io/yaml/OWNERS
@@ -1,3 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 approvers:
 - dims
 - lavalamp