Generate *.pb.go files with protoc v3.21.12

https://github.com/protocolbuffers/protobuf/releases/tag/v21.12
go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28
go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2
go run ./infra/vprotogen

core/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: core/config.proto
 
 package core