Update Sourcegraph Prometheus / Grafana Docker images to v8 - #1440

Update Sourcegraph Prometheus / Grafana Docker images to v8#1440

renovate[bot] wants to merge 1 commit into

mainsourcegraph/deploy-sourcegraph-docker:mainfrom

renovate/major-sourcegraph-prometheus-grafana-docker-imagessourcegraph/deploy-sourcegraph-docker:renovate/major-sourcegraph-prometheus-grafana-docker-imagesCopy head branch name to clipboard