[release-v1.15] do not build OIDC config unless enabled #1352

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">ocp-serverless-tenant
PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/ocp-serverless-tenant/pipelinerun/kn-ekb-test-committed-offset-115-on-pull-request-hkv2v" rel="nofollow">kn-ekb-test-committed-offset-115-on-pull-request-hkv2v

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Red Hat Konflux/kn-ekb-test-committed-offset-115-on-pull-request has successfully validated your commit.

Status	Duration	Name
✅ Succeeded	8 seconds	init
✅ Succeeded	58 seconds	clone-repository
✅ Succeeded	29 seconds	prefetch-dependencies
✅ Succeeded	3 minutes	build-images
✅ Succeeded	33 seconds	build-image-index
✅ Succeeded	1 minute	clamav-scan
✅ Succeeded	1 minute	build-source-image
✅ Succeeded	49 seconds	deprecated-base-image-check
✅ Succeeded	2 minutes	sast-snyk-check
✅ Succeeded	58 seconds	clair-scan
✅ Succeeded	10 seconds	rpms-signature-scan
✅ Succeeded	23 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	15 seconds	push-dockerfile
✅ Succeeded	13 seconds	apply-tags
✅ Succeeded	18 seconds	show-sbom