[fix][io] Restore lz4 compression with Kafka IO connector after #25198 exclusion

- lz4 compression with Kafka would break without this change

Author: lhotari

pulsar-io/kafka/pom.xml

@@ -91,6 +91,11 @@
       </exclusions>
     </dependency>
 
+    <dependency>
+      <groupId>at.yawk.lz4</groupId>
+      <artifactId>lz4-java</artifactId>
+    </dependency>
+
     <dependency>
       <groupId>io.confluent</groupId>
       <artifactId>kafka-schema-registry-client</artifactId>