fix: set broker to create its internal topics with a replication factor of 1

Author: robooo

examples/docker-compose.yml

@@ -23,6 +23,8 @@ services:
       KAFKA_CONTROLLER_LISTENER_NAMES: 'CONTROLLER'
       KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
       KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
+      KAFKA_CONFLUENT_COMMAND_TOPIC_REPLICATION_FACTOR: 1
+      KAFKA_CONFLUENT_LICENSE_TOPIC_REPLICATION_FACTOR: 1
 
   schema-registry:
     image: confluentinc/cp-schema-registry:7.8.0