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-grpc-ping-117-on-pull-request-rjx4n" rel="nofollow">kn-client-test-grpc-ping-117-on-pull-request-rjx4n

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

Status	Duration	Name
✅ Succeeded	10 seconds	init
✅ Succeeded	38 seconds	clone-repository
✅ Succeeded	30 seconds	prefetch-dependencies
✅ Succeeded	1 minute	build-images
✅ Succeeded	34 seconds	build-image-index
✅ Succeeded	1 minute	clamav-scan
✅ Succeeded	54 seconds	apply-tags
✅ Succeeded	14 seconds	rpms-signature-scan
✅ Succeeded	24 seconds	sast-shell-check
✅ Succeeded	27 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	31 seconds	deprecated-base-image-check
✅ Succeeded	57 seconds	build-source-image
✅ Succeeded	10 seconds	push-dockerfile
✅ Succeeded	27 seconds	sast-snyk-check
✅ Succeeded	42 seconds	clair-scan
✅ Succeeded	39 seconds	sast-unicode-check
✅ Succeeded	16 seconds	show-sbom