Wrong statefulset-ingester-zone-b template in helm-loki-6.48.0

[cmitri-harris]

Describe the bug
helm upgrade to 6.48.0 is failing when persistence is enabled for ingesters. This is due to a template error in ingester-zone-b
At line 237 there is no {{- end }} to {{- with .storageClass }}

To Reproduce
Steps to reproduce the behavior:

1. Started Loki helm 6.48.0
2. Make sure persistence is enabled under ingester

Expected behavior
helm upgrades successfully

Environment:

• Infrastructure: Kubernetes
• Deployment tool: helm

Screenshots, Promtail config, or terminal output
Helm upgrade failed for release monitoring/loki with chart loki@6.48.0: template: loki/templates/ingester/statefulset-ingester-zone-b.yaml:237:17: executing "loki/templates/ingester/statefulset-ingester-zone-b.yaml" at <.volumeAttributesClassName>: can't evaluate field volumeAttributesClassName in type string

[fculpo]

same

[fculpo]

Opened #20188 to fix