cli-plugins/examples/helloworld/main.go cannot build

Description

$ go build -v -o helloworld main.go 
github.com/docker/docker/api/types/swarm/runtime
# github.com/docker/docker/api/types/swarm/runtime
/root/go/pkg/mod/github.com/docker/docker@v28.0.2+incompatible/api/types/swarm/runtime/plugin.pb.go:23:17: undefined: proto.GoGoProtoPackageIsVersion3
/root/go/pkg/mod/github.com/docker/docker@v28.0.2+incompatible/api/types/swarm/runtime/plugin.pb.go:66:38: undefined: proto.InternalMessageInfo
/root/go/pkg/mod/github.com/docker/docker@v28.0.2+incompatible/api/types/swarm/runtime/plugin.pb.go:142:43: undefined: proto.InternalMessageInfo

Reproduce

mkdir -p cli-test
cd cli-test
wget https://raw.githubusercontent.com/docker/cli/refs/heads/master/cli-plugins/examples/helloworld/main.go
go mod init test
go mod tidy
go build main.go

Expected behavior

No response

docker version

no

docker info

no

Additional Info

No response

Start with cli-plugins/examples/helloworld/main.go and reproduce the failure using the provided go mod init, go mod tidy, and go build commands. Inspect the dependency errors reported from api/types/swarm/runtime/plugin.pb.go; done means the helloworld example builds successfully from the documented reproduction steps.