fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHEKAFKA-8528112

pom.xml

@@ -50,7 +50,7 @@
         <skipUnitTests>${skipTests}</skipUnitTests>
         <skipIntegrationTests>${skipTests}</skipIntegrationTests>
 
-        <kafka.version>3.8.0</kafka.version>
+        <kafka.version>3.8.1</kafka.version>
         <awaitility.version>4.2.2</awaitility.version>
         <assertj-core.version>3.26.3</assertj-core.version>
         <confluent.version>7.8.0</confluent.version>