chore(deps): Bump io.confluent:kafka-avro-serializer from 7.5.3 to 7.6.0

Bumps [io.confluent:kafka-avro-serializer](https://github.com/confluentinc/schema-registry) from 7.5.3 to 7.6.0.
- [Commits](confluentinc/schema-registry@v7.5.3...v7.6.0)

---
updated-dependencies:
- dependency-name: io.confluent:kafka-avro-serializer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

dependencies.gradle

@@ -37,7 +37,7 @@ ext {
 
     jsr305Version = '3.0.2'
 
-    kafkaAvroSerializerVersion = '7.5.3'
+    kafkaAvroSerializerVersion = '7.6.0'
 
     kafkaClientsVersion = '3.6.1'
     kafkaStreamsVersion = '3.6.1'