Migrate repository sync cronjobs from Terragrunt to ArgoCD/Kustomize.
Adds four daily CronJobs (almalinux9-baseos, almalinux9-appstream, epel9,
openvox7) with associated PVCs and ConfigMaps in the reposync namespace.
💘 Generated with Crush
Assisted-by: Claude Sonnet 4.6 via Crush <crush@charm.land>
Reviewed-on: #78
