[bitnami/rabbitmq] Use username as key in the Service Binding secret (#16254)

Signed-off-by: jotamartos <jotamartos@vmware.com>

bitnami/rabbitmq/Chart.yaml

@@ -23,4 +23,4 @@ name: rabbitmq
 sources:
   - https://github.com/bitnami/containers/tree/main/bitnami/rabbitmq
   - https://www.rabbitmq.com
-version: 11.14.0
+version: 11.14.1

bitnami/rabbitmq/templates/secrets.yaml

@@ -62,7 +62,7 @@ data:
   type: {{ print "rabbitmq" | b64enc | quote }}
   host: {{ print $host | b64enc | quote }}
   port: {{ print $port | b64enc | quote }}
-  user: {{ print $user | b64enc | quote }}
+  username: {{ print $user | b64enc | quote }}
   password: {{ print $password | b64enc | quote }}
   uri: {{ printf "amqp://%s:%s@%s:%s" $user $password $host $port | b64enc | quote }}
 {{- end }}