chore(deps): update dependency grafana to v11

requirements.yml

@@ -22,7 +22,7 @@
   version: v4.97.1-r0-0-2
   name: exim_relay
 - src: git+https://gitlab.com/etke.cc/roles/grafana.git
-  version: v10.4.2-0
+  version: v11.0.0-0
   name: grafana
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-jitsi.git
   version: v9457-3