chore(deps): Bump Kafka & Zookeeper for tests to Confluent Platform 7.3.0 (#76)

Author: joschi

docker/docker-compose.yml

@@ -2,21 +2,21 @@ version: '2.1'
 
 services:
   zoo1:
-    image: zookeeper:3.8.0
+    image: confluentinc/cp-zookeeper:7.3.0
     hostname: zoo1
     ports:
       - "2181:2181"
       - "2888:2888"
       - "3888:3888"
     environment:
-      ZOO_MY_ID: 1
-      ZOO_PORT: 2181
+      ZOOKEEPER_SERVER_ID: 1
+      ZOOKEEPER_CLIENT_PORT: 2181
     volumes:
       - zoo1_data:/data
       - zoo1_datalog:/datalog
 
   kafka1:
-    image: confluentinc/cp-kafka:7.2.1
+    image: confluentinc/cp-kafka:7.3.0
     hostname: kafka1
     ports:
       - "9092:9092"