Resource names are only unique per kind+ns. Without this patch it
might happen that there are two resources with the same name
in different namespaces. Upgrade might fail in that case.
Co-authored-by: Otto Bittner <cobittner@posteo.net>
These backups could be used in case an upgrade
misbehaves after helm declared it as successful.
The manual backups are required as helm-rollback
won't touch custom resources and changes to CRDs
delete resources of the old version.
