Bump org.apache.curator:curator-framework in /examples

Bumps [org.apache.curator:curator-framework](https://github.com/apache/curator) from 5.5.0 to 5.6.0.
- [Commits](apache/curator@apache-curator-5.5.0...apache-curator-5.6.0)

---
updated-dependencies:
- dependency-name: org.apache.curator:curator-framework
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

examples/zookeeper/build.gradle

@@ -7,7 +7,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation 'org.apache.curator:curator-framework:5.5.0'
+    testImplementation 'org.apache.curator:curator-framework:5.6.0'
     testImplementation 'org.testcontainers:testcontainers'
     testImplementation 'org.assertj:assertj-core:3.24.2'
     testImplementation 'ch.qos.logback:logback-classic:1.3.14'