grafana security update

10.2.6-23.3 - Rebuild against updated golang - Resolves RHEL-251872 - Resolves RHEL-251758 - Resolves RHEL-242365 - Resolves RHEL-242251 - Resolves RHEL-241980 - Resolves RHEL-241756 - Resolves RHEL-241274 - Resolves RHEL-241243...