Upgrade Loki to chart version 2.8.1 and app version v2.6.1

No problems deploying Loki to Proxmox VE K3s Kubernetes cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach.
Helm Chart 2.6.7
Helm Chart 2.6.8
Helm Chart 2.6.9
Helm Chart 2.7.0
Application v2.5.0
Application v2.6.0
Application v2.6.1
Helm Chart 2.7.1
Helm Chart 2.7.2
Helm Chart 2.8.0
Helm Chart 2.8.1