[FLINK-33408] Bump the snakeyaml from 1.33 to 2.0 to fix the container vulnerability.

[ShijieChow]

What is the purpose of the change

This pull request fix the container vulnerability in CVE-2022-1471 by upgrade the SnakeYaml Maven dependency in flink-kubernetes module.

Brief change log

Upgrade the Kubernetes Client from 6.6.2 to 6.7.0, thereby upgrading the version of snakeyaml, which the Kubernetes Client indirectly depends on, from 1.33 to 2.0.

Verifying this change

This change is already covered by existing flink-kubernetes tests.

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

• Dependencies (does it add or upgrade a dependency): yes
• The public API, i.e., is any changed class annotated with @Public(Evolving): no
• The serializers: no
• The runtime per-record code paths (performance sensitive): no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
• The S3 file system connector: no

Documentation

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

[flinkbot]

CI report:

• 60d2c5d Azure: SUCCESS

Bot commands

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

[MartijnVisser]

could you please review this PR for me.

Please don't ping random people

[ShijieChow]

could you please review this PR for me.

Please don't ping random people

I thought these people might be related to my ISSUE, so I mentioned them in the PR, sorry about that. Thanks for your kind reminder. I'll avoid it in the future.