Update grafana/grafana Docker tag to v8.0.6
Update grafana/grafana Docker tag to v8.0.6

mwutzke/faucet,faucetsdn/faucet,mwutzke/faucet,faucetsdn/faucet,REANNZ/faucet,anarkiwi/faucet,anarkiwi/faucet,REANNZ/faucet