chore: bump strimzi/kafka in the baseimages group

Bumps the baseimages group with 1 update: [strimzi/kafka](https://github.com/strimzi/strimzi-kafka-operator).


Updates `strimzi/kafka` from latest-kafka-3.7.1 to latest-kafka-3.8.1
- [Release notes](https://github.com/strimzi/strimzi-kafka-operator/releases)
- [Changelog](https://github.com/strimzi/strimzi-kafka-operator/blob/main/CHANGELOG.md)
- [Commits](https://github.com/strimzi/strimzi-kafka-operator/commits)

---
updated-dependencies:
- dependency-name: strimzi/kafka
  dependency-type: direct:production
  dependency-group: baseimages
...

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM quay.io/strimzi/kafka:latest-kafka-3.7.1 AS source
+FROM quay.io/strimzi/kafka:latest-kafka-3.8.1 AS source
 FROM ghcr.io/radiorabe/ubi9-minimal:0.7.3 AS app
 
 COPY --from=source /opt /opt