Bump github.com/tektoncd/pipeline from 0.66.0 to 0.68.0 #47

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">tekton-ecosystem-tenant
PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/tekton-ecosystem-tenant/pipelinerun/tektoncd-pruner-main-controller-on-pull-request-c9nch" rel="nofollow">tektoncd-pruner-main-controller-on-pull-request-c9nch

Success

Red Hat Konflux/tektoncd-pruner-main-controller-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	6 seconds	init
✅ Succeeded	12 seconds	clone-repository
✅ Succeeded	30 seconds	prefetch-dependencies
✅ Succeeded	3 minutes	build-images
✅ Succeeded	14 seconds	build-image-index
✅ Succeeded	18 seconds	push-dockerfile
✅ Succeeded	34 seconds	clair-scan
✅ Succeeded	7 seconds	deprecated-base-image-check
✅ Succeeded	42 seconds	clamav-scan
✅ Succeeded	11 seconds	rpms-signature-scan
✅ Succeeded	55 seconds	build-source-image
✅ Succeeded	15 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	1 minute	sast-snyk-check
✅ Succeeded	6 seconds	apply-tags
✅ Succeeded	8 seconds	show-sbom
✅ Succeeded	6 seconds	show-summary