[data-plane]: Bump kafka.version from 3.7.1 to 3.9.0 in /data-plane

Bumps `kafka.version` from 3.7.1 to 3.9.0.

Updates `org.apache.kafka:kafka-clients` from 3.7.1 to 3.9.0

Updates `org.apache.kafka:kafka_2.13` from 3.7.1 to 3.9.0

---
updated-dependencies:
- dependency-name: org.apache.kafka:kafka-clients
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.kafka:kafka_2.13
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

data-plane/pom.xml

@@ -57,7 +57,7 @@
     <junit.jupiter.version>5.10.2</junit.jupiter.version>
     <mokito.junit.jupiter.version>5.12.0</mokito.junit.jupiter.version>
     <fabric8.kubernetes.version>6.13.1</fabric8.kubernetes.version>
-    <kafka.version>3.7.1</kafka.version>
+    <kafka.version>3.9.0</kafka.version>
     <debezium.version>2.6.1.Final</debezium.version>
     <jib.version>3.4.4</jib.version>
     <quarkus.version>3.12.3</quarkus.version>