chore(deps): update registry.access.redhat.com/ubi9/ubi-minimal:latest docker digest to b870979 #117

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-triggers-next-controller-on-pull-request-pz2gf" rel="nofollow">tektoncd-triggers-next-controller-on-pull-request-pz2gf

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Status	Duration	Name
✅ Succeeded	1 minute	init
✅ Succeeded	56 seconds	clone-repository
✅ Succeeded	1 minute	prefetch-dependencies
✅ Succeeded	3 minutes	build-images
✅ Succeeded	24 seconds	build-image-index
✅ Succeeded	1 minute	build-source-image
✅ Succeeded	22 seconds	rpms-signature-scan
✅ Succeeded	35 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	22 seconds	apply-tags
✅ Succeeded	1 minute	sast-snyk-check
✅ Succeeded	1 minute	clair-scan
✅ Succeeded	10 seconds	deprecated-base-image-check
✅ Succeeded	43 seconds	clamav-scan
✅ Succeeded	13 seconds	push-dockerfile
✅ Succeeded	15 seconds	show-sbom
✅ Succeeded	8 seconds	show-summary