Bump org.apache.kafka:kafka-clients from 3.8.1 to 3.9.1

Bumps org.apache.kafka:kafka-clients from 3.8.1 to 3.9.1.

---
updated-dependencies:
- dependency-name: org.apache.kafka:kafka-clients
  dependency-version: 3.9.1
  dependency-type: direct:production
...

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Author: dependabot[bot]

super/pom.xml

@@ -138,7 +138,7 @@ SPDX-License-Identifier: Apache-2.0
     <sun.httpserver.version>20070405</sun.httpserver.version>
     <postgresql.version>42.7.2</postgresql.version>
     <jakarta.xml.soap-api.version>3.0.1</jakarta.xml.soap-api.version>
-    <kafka.version>3.8.1</kafka.version>
+    <kafka.version>3.9.1</kafka.version>
     <avro.version>1.11.4</avro.version>
     <spring.kafka.version>3.3.1</spring.kafka.version>
     <scala.lang.version>2.13.16</scala.lang.version>