(VOL-4953)enabling retry codes in open-olt-adaptor

Enabling retry codes in open-olt-adaptor grpc-client so that it retries the grpc requests to the voltha-core
in case the core is unavailable or the request times out
(retry for pipeline)
Change-Id: Iae93e445ed6363b5fd654bdc1cbe3e53778b2a67
diff --git a/go.mod b/go.mod
index fe0cc84..9bdb730 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/protobuf v1.5.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
-	github.com/opencord/voltha-lib-go/v7 v7.4.1
+	github.com/opencord/voltha-lib-go/v7 v7.4.2
 	github.com/opencord/voltha-protos/v5 v5.3.8
 	github.com/stretchr/testify v1.7.0
 	go.etcd.io/etcd v3.3.25+incompatible