OCM-22871 | fix: update Go version to 1.25.8 in order to fix #3229

Namespace: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/rh-terraform-tenant" rel="nofollow">rh-terraform-tenant
PipelineRun: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/rh-terraform-tenant/pipelinerun/rosa-on-pull-request-5vbq4" rel="nofollow">rosa-on-pull-request-5vbq4

Success

Red Hat Konflux/rosa-on-pull-request has successfully validated your commit.

Status	Duration	Name
🟢 Succeeded	9 seconds	init
🟢 Succeeded	17 seconds	clone-repository
🟢 Succeeded	24 seconds	prefetch-dependencies
🟢 Succeeded	5 minutes	build-container
🟢 Succeeded	46 seconds	build-image-index
🟢 Succeeded	8 seconds	apply-tags
🟢 Succeeded	20 seconds	clair-scan
🟢 Succeeded	3 minutes	clamav-scan
🟢 Succeeded	7 seconds	coverity-availability-check
🟢 Succeeded	24 seconds	deprecated-base-image-check
🟢 Succeeded	20 seconds	ecosystem-cert-preflight-checks
🟢 Succeeded	12 seconds	push-dockerfile
🟢 Succeeded	11 seconds	rpms-signature-scan
🟢 Succeeded	9 seconds	sast-shell-check
🟢 Succeeded	2 minutes	sast-snyk-check
🟢 Succeeded	1 minute	sast-unicode-check
🟢 Succeeded	7 seconds	show-sbom