www/grafana{8,9}: Update to 8.5.9 and 9.0.3 (Fixes security vulnerability)
ChangeLog:
- https://github.com/grafana/grafana/releases/tag/v8.5.9
- https://github.com/grafana/grafana/releases/tag/v9.0.3
- https://github.com/grafana/grafana/releases/tag/v9.0.4
PR: 265330