www/grafana9: Update to 9.5.3
ChangeLog: https://grafana.com/blog/2023/06/06/grafana-security-release-new-grafana-versions-with-security-fixes-for-cve-2023-2183-and-cve-2023-2801/
PR: 271893 Reported by: drtr0jan@yandex.ru MFH: 2023Q2 (security fixes) Security: CVE-2023-2183 CVE-2023-2801