use apache/kafka Docker image in .github/workflows/ci.yaml (#126)

The bitnami/kafka image is no longer available for free through Docker
Hub.  Switch to the apache/kafka image.

Author: nwt

.github/workflows/ci.yaml

@@ -12,18 +12,15 @@ jobs:
     runs-on: ubuntu-latest
     services:
       kafka:
-        image: bitnami/kafka:3.3
+        image: apache/kafka:4.1.1
         env:
-          ALLOW_PLAINTEXT_LISTENER: yes
-          KAFKA_BROKER_ID: 1
-          KAFKA_CFG_ADVERTISED_LISTENERS: PLAINTEXT://127.0.0.1:9092
-          KAFKA_CFG_CONTROLLER_LISTENER_NAMES: CONTROLLER
-          KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: [email protected]:9093
-          KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
-          KAFKA_CFG_LISTENERS: PLAINTEXT://:9092,CONTROLLER://:9093
-          KAFKA_CFG_NODE_ID: 1
-          KAFKA_CFG_PROCESS_ROLES: broker,controller
-          KAFKA_ENABLE_KRAFT: yes
+          KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://127.0.0.1:9092
+          KAFKA_CONTROLLER_LISTENER_NAMES: CONTROLLER
+          KAFKA_CONTROLLER_QUORUM_VOTERS: [email protected]:9093
+          KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
+          KAFKA_LISTENERS: PLAINTEXT://:9092,CONTROLLER://:9093
+          KAFKA_NODE_ID: 1
+          KAFKA_PROCESS_ROLES: broker,controller
         ports:
           - 9092:9092
     steps: