Add static unsigned artifacts image #641

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">ocp-serverless-tenant
PipelineRun: <a href="https://konflux-ui.apps.kflux-prd-rh02.0fk9.p1.openshiftapps.com/ns/ocp-serverless-tenant/pipelinerun/kn-client-test-helloworld-117-on-pull-request-h6k8d" rel="nofollow">kn-client-test-helloworld-117-on-pull-request-h6k8d

Success

Konflux kflux-prd-rh02/kn-client-test-helloworld-117-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	9 seconds	init
✅ Succeeded	24 seconds	clone-repository
✅ Succeeded	8 seconds	prefetch-dependencies
✅ Succeeded	1 minute	build-images
✅ Succeeded	25 seconds	build-image-index
✅ Succeeded	1 minute	sast-unicode-check
✅ Succeeded	45 seconds	deprecated-base-image-check
✅ Succeeded	49 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	8 seconds	apply-tags
✅ Succeeded	20 seconds	sast-snyk-check
✅ Succeeded	1 minute	build-source-image
✅ Succeeded	12 seconds	push-dockerfile
✅ Succeeded	9 seconds	rpms-signature-scan
✅ Succeeded	41 seconds	clamav-scan
✅ Succeeded	39 seconds	clair-scan
✅ Succeeded	19 seconds	sast-shell-check
✅ Succeeded	11 seconds	show-sbom