chore: bump org.apache.kafka:kafka-clients from 4.1.1 to 4.2.0 (#2452)

chore: bump org.apache.kafka:kafka-clients from 4.1.1 to 4.2.0

Reviewed and approved by @phipag. Failing verify check manually verified as acceptable (license). Review performed by Claude.

Author: dependabot[bot]

examples/powertools-examples-kafka/pom.xml

@@ -24,7 +24,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>4.1.1</version> <!-- Supports >= 3.0.0 -->
+            <version>4.2.0</version> <!-- Supports >= 3.0.0 -->
         </dependency>
         <dependency>
             <groupId>org.apache.avro</groupId>

powertools-kafka/pom.xml

@@ -34,7 +34,7 @@
     </description>
 
     <properties>
-        <kafka-clients.version>4.1.1</kafka-clients.version>
+        <kafka-clients.version>4.2.0</kafka-clients.version>
         <avro.version>1.12.1</avro.version>
         <protobuf.version>4.33.4</protobuf.version>
         <lambda-serialization.version>1.3.1</lambda-serialization.version>