NETOBSERV-2502: add missing labels (#847)

Author: jotak

Dockerfile.downstream

@@ -33,6 +33,10 @@ USER 65532:65532
 
 ENTRYPOINT ["/netobserv-ebpf-agent"]
 
+LABEL distribution-scope="public"
+LABEL url="https://catalog.redhat.com/en/search?searchType=containers"
+LABEL vendor="Red Hat, Inc."
+LABEL release=$BUILDVERSION
 LABEL com.redhat.component="network-observability-ebpf-agent-container"
 LABEL name="network-observability/network-observability-ebpf-agent-rhel9"
 LABEL cpe="cpe:/a:redhat:network_observ_optr:$BUILDVERSION_Y::el9"