chore(KONFLUX-6210): fix and set name and cpe label for jetstack-cert-manager-1-15

For https://issues.redhat.com/browse/KONFLUX-6210, clair needs access to a name and cpe label that it can use to look up the image in VEX statements.

See also release-engineering/rhtap-ec-policy#149

Signed-off-by: Ralph Bean <[email protected]>
Assisted-by: Gemini

Author: ralphbean

Containerfile.cert-manager

@@ -34,6 +34,7 @@ COPY --from=builder /licenses /licenses
 USER 65534:65534
 
 LABEL com.redhat.component="jetstack-cert-manager-container" \
+      cpe="cpe:/a:redhat:cert_manager:1.15::el9" \
       name="cert-manager/jetstack-cert-manager-rhel9" \
       version="${RELEASE_VERSION}" \
       summary="cert-manager" \