Add renovate.json to disable git submodules update by Konflux #60

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">assisted-installer-tenant
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Red Hat Konflux/assisted-chat-saas-main-on-pull-request has successfully validated your commit.

Status	Duration	Name
🟢 Succeeded	5 seconds	init
🟢 Succeeded	14 seconds	clone-repository
🟢 Succeeded	7 seconds	prefetch-dependencies
🟢 Succeeded	2 minutes	build-container
🟢 Succeeded	7 seconds	build-image-index
🟢 Succeeded	12 seconds	sast-shell-check
🟢 Succeeded	9 seconds	coverity-availability-check
🟢 Succeeded	49 seconds	rpms-signature-scan
🟢 Succeeded	43 seconds	ecosystem-cert-preflight-checks
🟢 Succeeded	37 seconds	clair-scan
🟢 Succeeded	10 seconds	deprecated-base-image-check
🟢 Succeeded	3 minutes	clamav-scan
🟢 Succeeded	15 seconds	sast-unicode-check
🟢 Succeeded	9 seconds	apply-tags
🟢 Succeeded	9 seconds	push-dockerfile
🟢 Succeeded	19 seconds	sast-snyk-check
🟢 Succeeded	7 seconds	show-sbom