VOL-3978 - update to go 1.16.3

Change-Id: I3bc24ba662517badac4ddb238930550624c408a6
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 9e594c0..90a0dd8 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -31,10 +31,12 @@
 # github.com/eapache/queue v1.1.0
 github.com/eapache/queue
 # github.com/gogo/protobuf v1.3.2
+## explicit
 github.com/gogo/protobuf/gogoproto
 github.com/gogo/protobuf/proto
 github.com/gogo/protobuf/protoc-gen-gogo/descriptor
 # github.com/golang/protobuf v1.3.2
+## explicit
 github.com/golang/protobuf/jsonpb
 github.com/golang/protobuf/proto
 github.com/golang/protobuf/protoc-gen-go/descriptor
@@ -53,6 +55,7 @@
 # github.com/google/btree v1.0.0
 github.com/google/btree
 # github.com/google/uuid v1.1.1
+## explicit
 github.com/google/uuid
 # github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c
 github.com/gorilla/websocket
@@ -84,7 +87,8 @@
 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 v4.2.2
+# github.com/opencord/voltha-lib-go/v4 v4.2.3
+## explicit
 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
@@ -101,7 +105,8 @@
 github.com/opencord/voltha-lib-go/v4/pkg/mocks/kafka
 github.com/opencord/voltha-lib-go/v4/pkg/probe
 github.com/opencord/voltha-lib-go/v4/pkg/version
-# github.com/opencord/voltha-protos/v4 v4.0.13
+# github.com/opencord/voltha-protos/v4 v4.1.0
+## explicit
 github.com/opencord/voltha-protos/v4/go/common
 github.com/opencord/voltha-protos/v4/go/ext/config
 github.com/opencord/voltha-protos/v4/go/extension
@@ -110,10 +115,12 @@
 github.com/opencord/voltha-protos/v4/go/openflow_13
 github.com/opencord/voltha-protos/v4/go/voltha
 # github.com/opentracing/opentracing-go v1.1.0
+## explicit
 github.com/opentracing/opentracing-go
 github.com/opentracing/opentracing-go/ext
 github.com/opentracing/opentracing-go/log
 # github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
+## explicit
 github.com/phayes/freeport
 # github.com/pierrec/lz4 v2.3.0+incompatible
 github.com/pierrec/lz4
@@ -144,10 +151,12 @@
 # github.com/spf13/pflag v1.0.3
 github.com/spf13/pflag
 # github.com/stretchr/testify v1.4.0
+## explicit
 github.com/stretchr/testify/assert
 # github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8
 github.com/tmc/grpc-websocket-proxy/wsproxy
 # github.com/uber/jaeger-client-go v2.23.1+incompatible
+## explicit
 github.com/uber/jaeger-client-go
 github.com/uber/jaeger-client-go/config
 github.com/uber/jaeger-client-go/internal/baggage
@@ -293,6 +302,7 @@
 google.golang.org/genproto/googleapis/rpc/status
 google.golang.org/genproto/protobuf/field_mask
 # google.golang.org/grpc v1.25.1
+## explicit
 google.golang.org/grpc
 google.golang.org/grpc/backoff
 google.golang.org/grpc/balancer