build(deps): bump google.golang.org/grpc from 1.37.0 to 1.56.3

go.mod

@@ -3,25 +3,20 @@ module github.com/hyperledger-labs/minbft
 require (
 	github.com/a8m/envsubst v1.2.0
 	github.com/fsnotify/fsnotify v1.4.9 // indirect
-	github.com/golang/mock v1.5.0
+	github.com/golang/mock v1.6.0
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7
 	github.com/pelletier/go-toml v1.9.1 // indirect
-	github.com/spf13/afero v1.6.0 // indirect
 	github.com/spf13/cast v1.3.1 // indirect
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/viper v1.7.1
-	github.com/stretchr/objx v0.2.0 // indirect
-	github.com/stretchr/testify v1.5.1
-	golang.org/x/net v0.0.0-20210510120150-4163338589ed // indirect
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210511113859-b0526f3d8744 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
-	google.golang.org/genproto v0.0.0-20210510173355-fb37daa5cd7a // indirect
-	google.golang.org/grpc v1.37.0
-	google.golang.org/protobuf v1.26.0
+	github.com/stretchr/testify v1.8.3
+	golang.org/x/sync v0.1.0
+	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2
+	google.golang.org/grpc v1.56.3
+	google.golang.org/protobuf v1.30.0
 	gopkg.in/ini.v1 v1.62.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0
 )