fix cassandra sink test

[kwannoel]

@kwannoel: The installation step for the cassandra binary is failing for over a week. So the entire cassandra test is not running anyway. I will disable it first.

The solution is to always pull the latest binaries.

[github-actions]

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[hzxa21]

@xxhZs Can you confirm that the issue is fixed by #17493? You can close the issue if yes.