build(deps): bump io.camunda:zeebe-client-java in /java

Bumps [io.camunda:zeebe-client-java](https://github.com/camunda/zeebe) from 8.4.1 to 8.4.2.
- [Release notes](https://github.com/camunda/zeebe/releases)
- [Commits](camunda/camunda@8.4.1...8.4.2)

---
updated-dependencies:
- dependency-name: io.camunda:zeebe-client-java
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

java/pom.xml

@@ -11,7 +11,7 @@
   <properties>
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
-    <zeebe.version>8.4.1</zeebe.version>
+    <zeebe.version>8.4.2</zeebe.version>
     <log4j.version>2.19.0</log4j.version>
     <main.class>io.camunda.getstarted.DeployAndStartInstance</main.class>
   </properties>