Upgrade kube-prometheus-stack to chart version 50.0.0 and app version 0.67.1

No problems deploying Prometheus Helm chart to Proxmox VE K3s Kubernetes cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach.
Helm Chart 48.3.2
Helm Chart 48.3.3
Helm Chart 48.3.4
Helm Chart 48.3.5
Helm Chart 48.3.6
Helm Chart 48.4.0
Helm Chart 48.5.0
Helm Chart 48.6.0
Helm Chart 49.0.0
0.67.0 / 2023-07-27
0.67.1 / 2023-08-03
Helm Chart 49.1.0
Helm Chart 49.2.0
Helm Chart 50.0.0