VOL-4788 : Lib in in voltha-libs-go for support of prometheus counters in voltha

Change-Id: I1a4a81f775595b89dbc2a5e4411e84034e30e1af
diff --git a/go.mod b/go.mod
index e20e630..240ad9a 100644
--- a/go.mod
+++ b/go.mod
@@ -37,7 +37,7 @@
 	github.com/opencord/voltha-protos/v5 v5.2.2
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
-	github.com/prometheus/client_golang v1.11.0 // indirect
+	github.com/prometheus/client_golang v1.11.0
 	github.com/soheilhy/cmux v0.1.5 // indirect
 	github.com/stretchr/testify v1.7.0
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802 // indirect