chore(deps): update confluentinc/cp-kafka docker tag to v7.9.6 (#1600)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

internal/test/oats/kafka/docker-compose-obi-java-kafka.yml

@@ -8,7 +8,7 @@ services:
       - "2181:2181"
 
   kafka:
-    image: confluentinc/cp-kafka:7.9.5@sha256:c4c6b755551da17fff056b9c8b39700f99020083bd2d69a171ece4784f33e640
+    image: confluentinc/cp-kafka:7.9.6@sha256:9e178783dba8cf44cd8b1d260f548a587a21235921957edd4ed7aa7d060b0852
     depends_on:
       - zookeeper
     environment: