Bump org.springframework.kafka:spring-kafka-bom from 3.3.7 to 3.3.8 (#10243)

Bumps [org.springframework.kafka:spring-kafka-bom](https://github.com/spring-projects/spring-kafka) from 3.3.7 to 3.3.8.
- [Release notes](https://github.com/spring-projects/spring-kafka/releases)
- [Commits](spring-projects/spring-kafka@v3.3.7...v3.3.8)

---
updated-dependencies:
- dependency-name: org.springframework.kafka:spring-kafka-bom
  dependency-version: 3.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

build.gradle

@@ -102,7 +102,7 @@ ext {
     springAmqpVersion = '3.2.5'
     springDataVersion = '2024.1.8'
     springGraphqlVersion = '1.3.6'
-    springKafkaVersion = '3.3.7'
+    springKafkaVersion = '3.3.8'
     springRetryVersion = '2.0.12'
     springSecurityVersion = '6.4.7'
     springVersion = '6.2.9'