NETOBSERV-2078: Fix Openshift version check to work on ROSA #1052

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">ocp-network-observab-tenant
PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/ocp-network-observab-tenant/pipelinerun/network-observability-operator-on-pull-request-l7vjw" rel="nofollow">network-observability-operator-on-pull-request-l7vjw

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Red Hat Konflux/network-observability-operator-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	6 seconds	init
✅ Succeeded	17 seconds	clone-repository
✅ Succeeded	2 minutes	prefetch-dependencies
✅ Succeeded	3 minutes	build-container
✅ Succeeded	14 seconds	build-image-index
✅ Succeeded	38 seconds	sast-snyk-check
✅ Succeeded	14 seconds	rpms-signature-scan
✅ Succeeded	1 minute	build-source-image
✅ Succeeded	10 seconds	deprecated-base-image-check
✅ Succeeded	23 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	12 seconds	push-dockerfile
✅ Succeeded	33 seconds	clair-scan
✅ Succeeded	50 seconds	clamav-scan
✅ Succeeded	9 seconds	apply-tags
✅ Succeeded	9 seconds	show-sbom