align kafka versions

Author: yeikel

api/pom.xml

@@ -50,7 +50,10 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>${kafka-clients.version}</version>
+            <!-- ccs stands for Confluent Community Edition
+             See https://www.confluent.io/confluent-community-license-faq/
+             -->
+            <version>${confluent.version}-ccs</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>

pom.xml

@@ -39,7 +39,6 @@
         <datasketches-java.version>3.1.0</datasketches-java.version>
         <groovy.version>3.0.13</groovy.version>
         <jackson.version>2.14.0</jackson.version>
-        <kafka-clients.version>3.8.0</kafka-clients.version>
         <org.mapstruct.version>1.6.2</org.mapstruct.version>
         <org.projectlombok.version>1.18.34</org.projectlombok.version>
         <protobuf-java.version>3.25.5</protobuf-java.version>