Upgrade Grafana (v11.5.2-1 -> v11.5.2-2)

Ref: https://github.com/mother-of-all-self-hosting/ansible-role-grafana/issues/4

requirements.yml

@@ -22,7 +22,7 @@
   version: v4.98.1-r0-0-0
   name: exim_relay
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-grafana.git
-  version: v11.5.2-1
+  version: v11.5.2-2
   name: grafana
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-jitsi.git
   version: v10008-3