[VOL-3665] Update voltha library to the latest

Change-Id: Ieae89b82488379da4b99ab7b7a5356990a8bcdd3
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6073509..c8b6a04 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -102,7 +102,7 @@
 github.com/modern-go/concurrent
 # github.com/modern-go/reflect2 v1.0.1
 github.com/modern-go/reflect2
-# github.com/opencord/voltha-lib-go/v4 v4.0.0
+# github.com/opencord/voltha-lib-go/v4 v4.0.2
 github.com/opencord/voltha-lib-go/v4/pkg/adapters
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/common