NE-2730: Bump `go-toolset` to 1.25.8 and update `ubi-minimal` digest #463

Success

Konflux kflux-prd-rh03/external-dns-operator-bundle-container-ext-dns-optr-1-2-rhel-8-on-pull-request has successfully validated your commit.

Namespace: external-dns-operator-tenant
PipelineRun: external-dns-operator-bundle-container-ext-dns-optr-1-2-rhtrdr7

Status	Duration	Name
🟢 Succeeded	5 seconds	init
🟢 Succeeded	13 seconds	clone-repository
🟢 Succeeded	11 seconds	prefetch-dependencies
🟢 Succeeded	1 minute	build-container
🟢 Succeeded	11 seconds	build-image-index
🟢 Succeeded	5 seconds	apply-tags
🟢 Succeeded	13 seconds	build-source-image
🟢 Succeeded	15 seconds	clair-scan
🟢 Succeeded	19 seconds	clamav-scan
🟢 Succeeded	6 seconds	coverity-availability-check
🟢 Succeeded	13 seconds	deprecated-base-image-check
🟢 Succeeded	7 seconds	ecosystem-cert-preflight-checks
🟢 Succeeded	5 seconds	push-dockerfile
🟢 Succeeded	9 seconds	rpms-signature-scan
🟢 Succeeded	9 seconds	sast-shell-check
🟢 Succeeded	1 minute	sast-snyk-check
🟢 Succeeded	27 seconds	sast-unicode-check