fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGBITBUCKETBC-6139942

pom.xml

@@ -82,7 +82,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
 
         <!-- Define which kafka version -->
-        <kafkaVersion>3.4.0</kafkaVersion>
+        <kafkaVersion>3.7.0</kafkaVersion>
         <kafkaScalaVersion>kafka_2.12</kafkaScalaVersion>
 
         <!-- Define which Curator Test version -->