chore: update versions

src/kafka/.env.example

@@ -1,5 +1,5 @@
 # Kafka version (Confluent Platform version)
-KAFKA_VERSION=7.8.0
+KAFKA_VERSION=8.2.0
 
 # Timezone
 TZ=UTC

src/kafka/docker-compose.yaml

@@ -10,7 +10,7 @@ services:
   # Zookeeper for Kafka coordination
   zookeeper:
     <<: *defaults
-    image: ${GLOBAL_REGISTRY:-}confluentinc/cp-zookeeper:${KAFKA_VERSION:-7.8.0}
+    image: ${GLOBAL_REGISTRY:-}confluentinc/cp-zookeeper:${KAFKA_VERSION:-8.2.0}
     ports:
       - '${ZOOKEEPER_CLIENT_PORT_OVERRIDE:-2181}:2181'
     volumes:
@@ -43,7 +43,7 @@ services:
   # Kafka broker
   kafka:
     <<: *defaults
-    image: ${GLOBAL_REGISTRY:-}confluentinc/cp-kafka:${KAFKA_VERSION:-7.8.0}
+    image: ${GLOBAL_REGISTRY:-}confluentinc/cp-kafka:${KAFKA_VERSION:-8.2.0}
     depends_on:
       zookeeper:
         condition: service_healthy