feat: change ITs pipelines to use EAS to provision clusters #1424

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PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/konflux-qe-team-tenant/pipelinerun/konflux-e2e-tests-on-pull-request-vzj9n" rel="nofollow">konflux-e2e-tests-on-pull-request-vzj9n

Success

Red Hat Konflux/konflux-e2e-tests-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	5 seconds	init
✅ Succeeded	23 seconds	clone-repository
✅ Succeeded	8 minutes	build-container
✅ Succeeded	1 minute	ecosystem-cert-preflight-checks
✅ Succeeded	11 seconds	apply-tags
✅ Succeeded	12 seconds	deprecated-base-image-check
✅ Succeeded	1 minute	clair-scan
✅ Succeeded	8 seconds	sast-snyk-check
✅ Succeeded	9 seconds	push-dockerfile
✅ Succeeded	10 seconds	show-sbom
✅ Succeeded	9 seconds	show-summary