[release-v1.15] Bump knative.dev/hack to 1.15 backport #1716

Namespace: <a href="https://konflux-ui.apps.kflux-prd-rh02.0fk9.p1.openshiftapps.com/ns/ocp-serverless-tenant" 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-eventing-test-request-sender-115-on-pull-request-d667v" rel="nofollow">kn-eventing-test-request-sender-115-on-pull-request-d667v

Success

Konflux kflux-prd-rh02/kn-eventing-test-request-sender-115-on-pull-request has successfully validated your commit.

Status	Duration	Name
🟢 Succeeded	6 seconds	init
🟢 Succeeded	14 seconds	clone-repository
🟢 Succeeded	30 seconds	prefetch-dependencies
🟢 Succeeded	2 minutes	build-images
🟢 Succeeded	13 seconds	build-image-index
🟢 Succeeded	1 minute	sast-unicode-check
🟢 Succeeded	3 minutes	sast-snyk-check
🟢 Succeeded	25 seconds	ecosystem-cert-preflight-checks
🟢 Succeeded	22 seconds	push-dockerfile
🟢 Succeeded	29 seconds	sast-shell-check
🟢 Succeeded	41 seconds	clamav-scan
🟢 Succeeded	2 minutes	build-source-image
🟢 Succeeded	32 seconds	clair-scan
🟢 Succeeded	11 seconds	apply-tags
🟢 Succeeded	11 seconds	deprecated-base-image-check
🟢 Succeeded	44 seconds	rpms-signature-scan
🟢 Succeeded	7 seconds	show-sbom