Bump org.apache.zookeeper:zookeeper from 3.8.3 to 3.8.4

Bumps org.apache.zookeeper:zookeeper from 3.8.3 to 3.8.4.

---
updated-dependencies:
- dependency-name: org.apache.zookeeper:zookeeper
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -71,7 +71,7 @@ ext {
 	springDataVersion = '2023.1.3'
 	springRetryVersion = '2.0.5'
 	springVersion = '6.1.4'
-	zookeeperVersion = '3.8.3'
+	zookeeperVersion = '3.8.4'
 
 	idPrefix = 'kafka'