fix version number in netclient docker

docker/Dockerfile-netclient-multiarch

@@ -7,7 +7,7 @@ COPY . .
 
 ENV GO111MODULE=auto
 
-RUN GOOS=linux CGO_ENABLED=0 /usr/local/go/bin/go build -ldflags="-w -s -X 'main.version=${TAG}'" -o netclient-app netclient/main.go
+RUN GOOS=linux CGO_ENABLED=0 /usr/local/go/bin/go build -ldflags="-X 'main.version=${version}'" -o netclient-app netclient/main.go
 
 FROM alpine:3.15.2