[bitnami/spring-cloud-dataflow] bump kafka dependency (#15539)

Signed-off-by: Fran Mulero <fmulero@vmware.com>

bitnami/spring-cloud-dataflow/Chart.lock

@@ -7,9 +7,9 @@ dependencies:
   version: 11.5.3
 - name: kafka
   repository: https://charts.bitnami.com/bitnami
-  version: 20.1.1
+  version: 21.4.0
 - name: common
   repository: https://charts.bitnami.com/bitnami
   version: 2.2.4
-digest: sha256:4d8a30b38422275c278eead5e9e7ac3f81a2de3f901a64f8bd5cfbe8af86d77f
-generated: "2023-03-08T17:46:14.250723562Z"
+digest: sha256:1483963605f5c71ba9a2217ab36f2e8a6bb11ae516d06aab6ad56fd342ff2be9
+generated: "2023-03-17T08:33:46.069231+01:00"

bitnami/spring-cloud-dataflow/Chart.yaml

@@ -17,7 +17,7 @@ dependencies:
   - condition: kafka.enabled
     name: kafka
     repository: https://charts.bitnami.com/bitnami
-    version: 20.x.x
+    version: 21.x.x
   - name: common
     repository: https://charts.bitnami.com/bitnami
     tags:
@@ -39,4 +39,4 @@ sources:
   - https://github.com/bitnami/containers/tree/main/bitnami/spring-cloud-dataflow
   - https://github.com/bitnami/containers/tree/main/bitnami/spring-cloud-skipper
   - https://dataflow.spring.io/
-version: 15.0.6
+version: 16.0.0

bitnami/spring-cloud-dataflow/README.md

@@ -659,6 +659,10 @@ Find more information about how to deal with common errors related to Bitnami He
 
 If you enabled RabbitMQ chart to be used as the messaging solution for Skipper to manage streaming content, then it's necessary to set the `rabbitmq.auth.password` and `rabbitmq.auth.erlangCookie` parameters when upgrading for readiness/liveness probes to work properly. Inspect the RabbitMQ secret to obtain the password and the Erlang cookie, then you can upgrade your chart using the command below:
 
+### To 16.0.0
+
+This major updates the Kafka subchart to its newest major, 21.0.0. [Here](https://github.com/bitnami/charts/tree/main/bitnami/kafka#to-2100) you can find more information about the changes introduced in that version.
+
 ### To 15.0.0
 
 This major updates the Kafka subchart to its newest major, 20.0.0. [Here](https://github.com/bitnami/charts/tree/main/bitnami/kafka#to-2000) you can find more information about the changes introduced in that version.