kratos工具版本号修改 (#759)

* fix toolkit version

cmd/kratos/main.go

@@ -10,7 +10,7 @@ import (
 )
 
 var (
-	version string = "v2.0.0-alpha5"
+	version string = "v2.0.0-alpha6"
 
 	rootCmd = &cobra.Command{
 		Use:     "kratos",

cmd/protoc-gen-go-errors/go.mod

@@ -3,7 +3,7 @@ module github.com/go-kratos/kratos/cmd/protoc-gen-go-errors/v2
 go 1.15
 
 require (
-	github.com/go-kratos/kratos/v2 v2.0.0-alpha5
+	github.com/go-kratos/kratos/v2 v2.0.0-alpha6
 	github.com/google/uuid v1.2.0 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	google.golang.org/grpc v1.36.0 // indirect

cmd/protoc-gen-go-errors/main.go

@@ -8,7 +8,7 @@ import (
 	"google.golang.org/protobuf/types/pluginpb"
 )
 
-const version = "v2.0.0-alpha5"
+const version = "v2.0.0-alpha6"
 
 func main() {
 	showVersion := flag.Bool("version", false, "print the version and exit")

cmd/protoc-gen-go-http/main.go

@@ -8,7 +8,7 @@ import (
 	"google.golang.org/protobuf/types/pluginpb"
 )
 
-const version = "v2.0.0-alpha5"
+const version = "v2.0.0-alpha6"
 
 func main() {
 	showVersion := flag.Bool("version", false, "print the version and exit")