chore: Bump zookeeper version for 25.11.0

Author: xeniape

demos/logging/zookeeper.yaml

@@ -5,7 +5,7 @@ metadata:
   name: simple-zk
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   clusterConfig:
     vectorAggregatorConfigMapName: vector-aggregator-discovery
   servers:

stacks/data-lakehouse-iceberg-trino-spark/zookeeper.yaml

@@ -5,7 +5,7 @@ metadata:
   name: zookeeper
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   servers:
     roleGroups:
       default:

stacks/dual-hive-hdfs-s3/hdfs.yaml

@@ -5,7 +5,7 @@ metadata:
   name: hdfs-zk
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   servers:
     roleGroups:
       default:

stacks/end-to-end-security/zookeeper.yaml

@@ -5,7 +5,7 @@ metadata:
   name: zookeeper
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   servers:
     roleGroups:
       default:

stacks/hdfs-hbase/zookeeper.yaml

@@ -5,7 +5,7 @@ metadata:
   name: zookeeper
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   servers:
     roleGroups:
       default:

stacks/jupyterhub-pyspark-hdfs/zookeeper.yaml

@@ -5,7 +5,7 @@ metadata:
   name: zookeeper
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   servers:
     roleGroups:
       default:

stacks/keycloak-opa-poc/zookeeper.yaml

@@ -5,7 +5,7 @@ metadata:
   name: zk
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   servers:
     roleGroups:
       default:

stacks/nifi-kafka-druid-superset-s3/zookeeper.yaml

@@ -5,7 +5,7 @@ metadata:
   name: zookeeper
 spec:
   image:
-    productVersion: 3.9.3
+    productVersion: 3.9.4
   servers:
     roleGroups:
       default: