[FLINK-33033][test] Add curator-test for flink-benchmarks

[FangYongs]

What is the purpose of the change

This PR aims to add curator-test dependency in flink-test-utils project which will used in flink-benchmarks. Then we can use zookeeper testing server in flink-benchmarks and the version of curator-test can be consistent with flink version.

Brief change log

• Add curator-test in flink-test-utils

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (yes / no) no
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes / no) no
• The serializers: (yes / no / don't know) no
• The runtime per-record code paths (performance sensitive): (yes / no / don't know) no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know) no
• The S3 file system connector: (yes / no / don't know) no

Documentation

• Does this pull request introduce a new feature? (yes / no) no
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

[FangYongs]

@KarmaGYZ Please help to review this PR when you're free, it is related to apache/flink-benchmarks#78

[flinkbot]

CI report:

• f6f80d6 Azure: SUCCESS

Bot commands

The @flinkbot bot supports the following commands:

• @flinkbot run azure re-run the last Azure build

[KarmaGYZ]

LGTM.