prepare_v4 (#199)

move to v4 micro

Co-authored-by: Vasiliy Tolstov <v.tolstov@unistack.org>
Reviewed-on: #199
Co-authored-by: Evstigneev Denis <danteevstigneev@yandex.ru>
Co-committed-by: Evstigneev Denis <danteevstigneev@yandex.ru>

handler/meter/meter_micro.pb.go

@@ -1,15 +1,15 @@
 // Code generated by protoc-gen-go-micro. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-micro v3.10.4
-// - protoc              v5.28.3
+// - protoc-gen-go-micro v4.1.0
+// - protoc              v5.29.3
 // source: meter/meter.proto
 
 package meter_handler
 
 import (
 	context "context"
-	codec "go.unistack.org/micro-proto/v3/codec"
-	client "go.unistack.org/micro/v3/client"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	client "go.unistack.org/micro/v4/client"
 )
 
 var (