chore(kafka): Update container image to 3.9.0 ahead of Stackable Release 25.3.0

[sbernauer]

Part of #964

• Add: 3.9.0
• Remove: 3.7.1

Tip

Please add the scheduled-for/2025-03 label, and add to the Stackable Engineering project.

Update tasks (kafka)

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1. Update versions.py to reflect the agreed upon versions in the spreadsheet (including the removal of old versions).
2. Upload new version (see kafka/upload_new_kafka_version.sh).
3. Update versions.py to the latest supported version of JVM (base and devel).
4. Update other dependencies if applicable (eg: jmx_exporter, kcat, scala, etc).
5. Check other operators (getting_started / kuttl) for usage of the versions. Add the PR(s) to the list below.
6. Update the version in demos. Add the PR(s) to the list below.

Update tasks (kcat and kafka-testing-tools)

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1. Update kcat/versions.py.
2. Update kafka-testing-tools/versions.py.
3. Upload new version (see .scripts/upload_new_kcat_version.sh).
4. Update versions.py to the latest supported version of JVM (base and devel).
5. Check other operators (getting_started / kuttl) for usage of the versions. Add the PR(s) to the list below.
6. Update the version in demos. Add the PR(s) to the list below.

Related Pull Requests

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1. Link to the docker-images PR (product update)
2. Link to the operator PR (getting_started / kuttl)
3. Link to any other operator PRs (getting_started / kuttl)
4. Link to demo PR (raise against the next branch)
5. Link to the Release Notes PR in the documentation repo (if not a comment below)

Tip

Delete any items that do not apply so that all applicable items can be checked.
For example, if you add release notes to the documentation repository, you do not need the latter two criteria.

This list should be completed by the assignee(s), once respective PRs have been merged. Once all items have been checked, the issue can be moved into Development: Done.

Acceptance

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1. Can build image (either locally, or in CI)
2. Kuttl smoke tests passes (either locally, or in CI)
3. Release notes added to documentation and linked as a PR above
4. Release notes written in a comment below
5. Applicable release-note label added to this issue

Testing instructions

# See the latest version at https://pypi.org/project/image-tools-stackabletech/
pip install image-tools-stackabletech==0.0.13

bake --product kafka=x.y.z # where x.y.z is the new version added in this PR
bake --product kafka-testing-tools=1.0.0 # This version doesn't change

kind load docker-image docker.stackable.tech/stackable/kafka:x.y.z-stackable0.0.0-dev
kind load docker-image docker.stackable.tech/stackable/kafka-testing-tools:1.0.0-stackable0.0.0-dev

# Change directory into the kafka-operator repository and update the
# product version in tests/test-definition.yaml
./scripts/run-tests --test-suite smoke-latest # or similar

Please consider updating this template if these instructions are wrong, or
could be made clearer.