pass version to last stage

Author: jpinsonneau

Dockerfile.downstream

@@ -42,6 +42,9 @@ RUN mkdir -p output
 
 # Create final image from ubi + built binary and command
 FROM --platform=linux/$TARGETARCH registry.access.redhat.com/ubi9/ubi:9.5-1739751568
+
+ARG BUILDVERSION
+
 WORKDIR /
 
 COPY --from=builder /opt/app-root/build .