[release-v1.15] Add Konflux configurations #1030

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

Status	Duration	Name
✅ Succeeded	16 minutes	init
✅ Succeeded	9 minutes	clone-repository
✅ Succeeded	6 minutes	prefetch-dependencies
✅ Succeeded	1 minute	build-images
✅ Succeeded	15 seconds	build-image-index
✅ Succeeded	17 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	13 minutes	sast-snyk-check
✅ Succeeded	13 minutes	apply-tags
✅ Succeeded	13 minutes	build-source-image
✅ Succeeded	13 minutes	deprecated-base-image-check
✅ Succeeded	13 minutes	clair-scan
✅ Succeeded	13 minutes	clamav-scan
✅ Succeeded	13 minutes	push-dockerfile
✅ Succeeded	13 minutes	rpms-signature-scan
✅ Succeeded	17 minutes	show-sbom