Merge pull request #1191 from Baeldung/dependabot/maven/kotlin-apache-kafka/org.apache.kafka-kafka-clients-3.9.1

Bump org.apache.kafka:kafka-clients from 3.7.1 to 3.9.1 in /kotlin-apache-kafka

Author: lor6

kotlin-apache-kafka/pom.xml

@@ -102,7 +102,7 @@
     <properties>
         <kotlin.version>1.7.10</kotlin.version>
         <testcontainers.version>1.19.8</testcontainers.version>
-        <kafka.version>3.7.1</kafka.version>
+        <kafka.version>3.9.1</kafka.version>
         <slf4j.version>2.0.5</slf4j.version>
         <kotlinx-coroutines.version>1.6.4</kotlinx-coroutines.version>
         <maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>