fix(grafana): changed host name

template/stacks/observability/grafana-operator/manifests/grafana.yaml

@@ -20,7 +20,7 @@ spec:
     spec:
       ingressClassName: nginx
       rules:
-      - host: o12y.{{{ .Env.DOMAIN_GITEA }}}
+      - host: grafana.{{{ .Env.DOMAIN }}}
         http:
           paths:
           - backend:
@@ -32,5 +32,5 @@ spec:
             pathType: Prefix
       tls:
       - hosts:
-        - o12y.{{{ .Env.DOMAIN_GITEA }}}
+        - grafana.{{{ .Env.DOMAIN }}}
         secretName: grafana-net-tls