Update grafana/promtail Docker tag to v3

manifests/auth-proxy/non-auth-ingress.yaml

@@ -13,7 +13,6 @@ spec:
     - hello-world.cluster.fun
     - ombi.cluster.fun
     - bsky-feeds.cluster.fun
-    - ai.cluster.fun
     secretName: non-auth-proxy-ingress
   rules:
   - host: hello-world.cluster.fun
@@ -46,13 +45,3 @@ spec:
             name: tailscale-proxy
             port:
               name: non-auth
-  - host: ai.cluster.fun
-    http:
-      paths:
-      - path: /
-        pathType: ImplementationSpecific
-        backend:
-          service:
-            name: tailscale-proxy
-            port:
-              name: non-auth