Bump org.apache.kafka:kafka-clients

Bumps org.apache.kafka:kafka-clients from 3.6.1 to 4.0.0.

---
updated-dependencies:
- dependency-name: org.apache.kafka:kafka-clients
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

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

@@ -31,7 +31,7 @@ dependencies {
     implementation project(':data-prepper-plugins:aws-plugin-api')
     // bump io.confluent:* dependencies correspondingly when bumping org.apache.kafka.*
     // https://docs.confluent.io/platform/current/release-notes/index.html
-    implementation 'org.apache.kafka:kafka-clients:3.6.1'
+    implementation 'org.apache.kafka:kafka-clients:4.0.0'
     implementation 'org.apache.kafka:connect-json:3.6.1'
     implementation project(':data-prepper-plugins:http-common')
     implementation libs.avro.core