grafana: upgrade to v7.5.11 (!25848) · Merge requests · Administrator / sourcegraph · GitLab

Administrator requested to merge main-dry-run/update-grafana into main Oct 08, 2021

Created by: bobheadxi

Contains bug fixes and security patches from 7.5.7

spun out from https://github.com/sourcegraph/sourcegraph/pull/25835