chore: bump kafka to version 3.9.1

Author: razvan

docs/modules/kafka/examples/getting_started/kafka.yaml

@@ -5,7 +5,7 @@ metadata:
   name: simple-kafka
 spec:
   image:
-    productVersion: 3.9.0
+    productVersion: 3.9.1
   clusterConfig:
     tls:
       serverSecretClass: null

docs/modules/kafka/partials/supported-versions.adoc

@@ -2,5 +2,6 @@
 // This is a separate file, since it is used by both the direct Kafka documentation, and the overarching
 // Stackable Platform documentation.
 
-* 3.9.0
+* 3.9.0 (deprecated)
+* 3.9.1
 * 3.7.2 (LTS)

tests/test-definition.yaml

@@ -8,6 +8,7 @@ dimensions:
     values:
       - 3.7.2
       - 3.9.0
+      - 3.9.1
       # Alternatively, if you want to use a custom image, append a comma and the full image name to the product version
       # as in the example below.
       # - 3.8.0,oci.stackable.tech/sdp/kafka:3.8.0-stackable0.0.0-dev
@@ -28,7 +29,7 @@ dimensions:
       - 3.7.2
   - name: upgrade_new
     values:
-      - 3.9.0
+      - 3.9.1
   - name: use-client-tls
     values:
       - "true"