chore(KONFLUX-6210): fix and set name and cpe label for tektoncd-pipeline-1-15-entrypoint

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

.konflux/dockerfiles/entrypoint.Dockerfile

@@ -33,7 +33,8 @@ LABEL \
       description="Red Hat OpenShift Pipelines Entrypoint" \
       io.k8s.display-name="Red Hat OpenShift Pipelines Entrypoint" \
       io.k8s.description="Red Hat OpenShift Pipelines Entrypoint" \
-      io.openshift.tags="pipelines,tekton,openshift"
+      io.openshift.tags="pipelines,tekton,openshift" \
+      cpe="cpe:/a:redhat:openshift_pipelines:1.15::el8"
 
 RUN groupadd -r -g 65532 nonroot && useradd --no-log-init -r -u 65532 -g nonroot nonroot
 USER 65532