Upgrade to Grafana 9.1.2

Michi Kofler-Häusler - 05 Sep 2022

Micro update of container without any issue by means of Docker compose YAML infrastructure and automated Portainer GitOps workflow.
Release notes for Grafana 9.0.8
Release notes for Grafana 9.1.0
Release notes for Grafana 9.1.1
Release notes for Grafana 9.1.2