VOL-4217: Update to latest version of protos and voltha-lib-go for
voltha-2.9 release. Tested with BAL3.10

Change-Id: Ibdc5978a1f2df713965a27ce26d0e22c1ffa366a
diff --git a/go.mod b/go.mod
index 2a734dc..4ff45d7 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,18 @@
 module github.com/opencord/openolt-scale-tester
 
-go 1.12
+go 1.16
+
+replace (
+	github.com/coreos/bbolt v1.3.4 => go.etcd.io/bbolt v1.3.4
+	go.etcd.io/bbolt v1.3.4 => github.com/coreos/bbolt v1.3.4
+	google.golang.org/grpc => google.golang.org/grpc v1.25.1
+)
 
 require (
 	github.com/cenkalti/backoff/v3 v3.1.1
-	github.com/opencord/voltha-lib-go/v4 v4.0.0
-	github.com/opencord/voltha-protos/v4 v4.0.2
-	golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3
-	google.golang.org/grpc v1.24.0
+	github.com/golang/protobuf v1.5.2
+	github.com/opencord/voltha-lib-go/v7 v7.0.6
+	github.com/opencord/voltha-protos/v5 v5.0.2
+	golang.org/x/net v0.0.0-20210614182718-04defd469f4e
+	google.golang.org/grpc v1.41.0
 )