update go.mod

go.mod

@@ -8,7 +8,6 @@ require (
 	github.com/gogo/protobuf v1.3.3
 	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
-	github.com/pkg/errors v0.9.1
 	github.com/spf13/cast v1.4.1
 	github.com/spf13/cobra v1.2.1
 	github.com/stretchr/testify v1.7.0
@@ -83,6 +82,7 @@ require (
 	github.com/mtibben/percent v0.2.1 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_golang v1.11.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect