support tso gRPC interfaces

Signed-off-by: Ryan Leung <rleungx@gmail.com>

go.mod

@@ -51,8 +51,6 @@ require (
 	gotest.tools/gotestsum v1.7.0
 )
 
-require google.golang.org/protobuf v1.28.1 // indirect
-
 require (
 	github.com/KyleBanks/depth v1.2.1 // indirect
 	github.com/Masterminds/semver v1.5.0 // indirect
@@ -170,6 +168,7 @@ require (
 	golang.org/x/term v0.2.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20221202195650-67e5cbc046fd // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect