Bump org.apache.kafka:kafka-streams from 3.9.0 to 4.0.0

Bumps org.apache.kafka:kafka-streams from 3.9.0 to 4.0.0.

---
updated-dependencies:
- dependency-name: org.apache.kafka:kafka-streams
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -45,7 +45,7 @@
         <logstash.logback.version>8.0</logstash.logback.version>
         <prometheus.version>0.16.0</prometheus.version>
         <caffeine.version>3.2.0</caffeine.version>
-        <kafka.version>3.9.0</kafka.version>
+        <kafka.version>4.0.0</kafka.version>
         <orgjson.version>20250107</orgjson.version>
 
         <!-- Interne versjoner -->