[release-v1.15] Fix labels in static hermetic images #1404

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">ocp-serverless-tenant
PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/ocp-serverless-tenant/pipelinerun/kn-ekb-test-eventshub-115-on-pull-request-2gfw8" rel="nofollow">kn-ekb-test-eventshub-115-on-pull-request-2gfw8

Success

Red Hat Konflux/kn-ekb-test-eventshub-115-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	5 seconds	init
✅ Succeeded	19 seconds	clone-repository
✅ Succeeded	18 seconds	prefetch-dependencies
✅ Succeeded	2 minutes	build-images
✅ Succeeded	3 minutes	build-image-index
✅ Succeeded	33 seconds	push-dockerfile
✅ Succeeded	51 seconds	clamav-scan
✅ Succeeded	1 minute	build-source-image
✅ Succeeded	1 minute	sast-shell-check
✅ Succeeded	3 minutes	apply-tags
✅ Succeeded	3 minutes	ecosystem-cert-preflight-checks
✅ Succeeded	3 minutes	sast-snyk-check
✅ Succeeded	3 minutes	deprecated-base-image-check
✅ Succeeded	3 minutes	clair-scan
✅ Succeeded	3 minutes	rpms-signature-scan
✅ Succeeded	3 minutes	sast-unicode-check
✅ Succeeded	24 seconds	show-sbom