fix: update Docker images to use legacy Bitnami versions for Zookeeper and Kafka

Author: rimiti

infra/roles/backend/files/docker-compose.yml

@@ -6,7 +6,7 @@ x-logging: &default-logging
 
 services:
   zookeeper:
-    image: docker.io/bitnami/zookeeper:3.9
+    image: docker.io/bitnamilegacy/zookeeper:3.9
     container_name: zookeeper
     networks:
       - eval-carbone
@@ -18,7 +18,7 @@ services:
     restart: unless-stopped
 
   kafka:
-    image: docker.io/bitnami/kafka:3.6
+    image: docker.io/bitnamilegacy/kafka:3.6
     container_name: kafka
     networks:
       - eval-carbone