Update dependency grafana to v13

requirements.yml

@@ -33,7 +33,7 @@
   version: v4.99.1-r0-2-1
   name: exim_relay
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-grafana.git
-  version: v11.6.5-10
+  version: v13.0.2-0
   name: grafana
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-hydrogen.git
   version: v0.5.1-5