CLEANSTART-2026-RU71621 Security fixes in grafana 12.4.7-r1

Package grafana version 12.4.7-r1 fixes 10 vulnerabilities: ghsa-r277-6w6q-xmqw, ghsa-jpcw-4wr7-c3vq, ghsa-gcjh-h69q-9w9g, CVE-2026-21728, CVE-2026-28377...