chore(zookeeper): Update major/minor versions for 26.7.0 #1506

Part of #1479.

• Add: 3.9.5 (LTS)
• Deprecate: 3.9.4

Update tasks

• Update boil-config.toml to reflect the agreed upon versions in the spreadsheet (including the removal of old versions).
• Update boil-config.toml to the latest supported version of JVM (base and devel).
• Update other dependencies if applicable (eg: jmx_exporter, etc).
• Initialize new product versions with patchable and add patches if applicable.
• Delete old patch directories.
• Check the corresponding operator (getting_started / kuttl / supported-versions) for usage of the versions.
• Check other operators (getting_started / kuttl / supported-versions) for usage of the versions. Add the PR(s) to the list below.
• Update the version in demos. Add the PR(s) to the list below.

Related Pull Requests

• feat(zookeeper): Add 3.9.5 #1515
• chore: Bump ZooKeeper version to 3.9.5 for SDP 26.7.0 zookeeper-operator#1039
• chore: Bump ZooKeeper version to 3.9.5 for SDP 26.7.0 druid-operator#827
• chore: Bump ZooKeeper version to 3.9.5 for SDP 26.7.0 hbase-operator#763
• chore: Bump ZooKeeper version to 3.9.5 for SDP 26.7.0 hdfs-operator#788
• chore: Bump ZooKeeper version to 3.9.5 for SDP 26.7.0 kafka-operator#974
• test: Bump ZooKeeper version to 3.9.5 in integration tests hive-operator#714
• test: Bump ZooKeeper version to 3.9.5 in integration tests spark-k8s-operator#690
• test: Add ZooKeeper 3.9.5 to integration tests nifi-operator#942
• test: Add ZooKeeper 3.9.5 to integration tests trino-operator#898
• chore: Bump ZooKeeper version to 3.9.5 demos#405
• docs(getting_started): Bump ZooKeeper version to 3.9.5 documentation#857
• Release notes

Acceptance

• Can build image (either locally, or in CI)
• All kuttl tests pass (either locally, or in CI)
• Release notes added to documentation and linked as a PR above
• Release notes written in a comment below
• Applicable release-note label added to this issue

# Where x.y.z is the new version added in this PR
boil build zookeeper=x.y.z --strip-architecture --load

kind load docker-image oci.stackable.tech/sdp/zookeeper:x.y.z-stackable0.0.0-dev

# Change directory into the zookeeper-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.