Bump io.confluent:kafka-json-schema-serializer from 7.4.0 to 7.5.2

Bumps [io.confluent:kafka-json-schema-serializer](https://github.com/confluentinc/schema-registry) from 7.4.0 to 7.5.2.
- [Commits](confluentinc/schema-registry@v7.4.0...v7.5.2)

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

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

data-prepper-plugins/kafka-plugins/build.gradle

@@ -32,7 +32,7 @@ dependencies {
     implementation 'software.amazon.msk:aws-msk-iam-auth:1.1.6'
     implementation 'software.amazon.glue:schema-registry-serde:1.1.15'
     implementation 'com.amazonaws:aws-java-sdk-glue:1.12.506'
-    implementation 'io.confluent:kafka-json-schema-serializer:7.4.0'
+    implementation 'io.confluent:kafka-json-schema-serializer:7.5.2'
     implementation project(':data-prepper-plugins:failures-common')
     implementation 'org.apache.kafka:connect-json:3.4.0'
     implementation 'com.github.fge:json-schema-validator:2.2.14'