docker: downgrade to Zookeeper 3.8

There is an incompatibility of ClickHouse with Zookeeper 3.9. See:

- apache/zookeeper#2146
- apache/zookeeper#1837
- ClickHouse/ClickHouse#53749

console/data/docs/99-changelog.md

@@ -37,7 +37,7 @@ can install the `docker-compose-v2` package. For other options, check the
 - 🩹 *cmd*: fix parsing of `inlet`→`metadata`→`provider`→`ports`
 - 🩹 *console*: fix use of `InIfBoundary` and `OutIfBoundary` as dimensions
 - 🌱 *orchestrator*: add TLS support to connect to ClickHouse database
-- 🌱 *docker*: update to Redis 7.2, Kafka 3.7, Kafka UI 0.7.1, and Zookeeper 3.9 (not mandatory)
+- 🌱 *docker*: update to Redis 7.2, Kafka 3.7, Kafka UI 0.7.1, and Zookeeper 3.8 (not mandatory)
 
 [documentation for installing the compose plugin]: https://docs.docker.com/compose/install/linux/
 

docker/versions.yml

@@ -2,7 +2,7 @@
 services:
   # main services
   zookeeper:
-    image: bitnami/zookeeper:3.9
+    image: bitnami/zookeeper:3.8
   kafka:
     image: bitnami/kafka:3.7
   redis: