elastic-system: Make Kibana healthcheck work with anonymous auth

elastic-system/application.yml

@@ -264,6 +264,20 @@ spec:
     entries:
     - key: elastic
       path: xpack.security.authc.providers.anonymous.anonymous1.credentials.password
+  podTemplate:
+    spec:
+      containers:
+        - name: kibana
+          readinessProbe:
+            httpGet:
+              path: /app/home
+              port: 5601
+              scheme: HTTP
+            initialDelaySeconds: 10
+            timeoutSeconds: 5
+            periodSeconds: 10
+            successThreshold: 1
+            failureThreshold: 3
 ---
 apiVersion: networking.k8s.io/v1
 kind: Ingress