test(sink): use new format ... encode ... syntax

[xiangjinwu]

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What's changed and what's your intention?

• Seems there are no tests for kinesis at all.
• We may need to duplicate kafka & plusar tests for both old and new syntax, but I am concerned about doubling test time.
  • This PR is unfinished. e2e_test/sink/kafka/create_sink.slt is still all old, while e2e_test/sink/pulsar_sink.slt is all new.

Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• My PR contains breaking changes. (If it deprecates some features, please create a tracking issue to remove them in the future).
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[codecov]

Codecov Report

Merging #13066 (a42ccf1) into main (90fb4a3) will increase coverage by 0.00%.
Report is 3 commits behind head on main.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main   #13066   +/-   ##
=======================================
  Coverage   68.34%   68.34%           
=======================================
  Files        1496     1496           
  Lines      252049   252049           
=======================================
+ Hits       172251   172252    +1     
+ Misses      79798    79797    -1     

Flag	Coverage Δ
rust	68.34% <ø> (+<0.01%)	⬆️

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[tabVersion]

Seems there are no tests for kinesis at all.

we need localstack for local testing https://github.com/risingwavelabs/risingwave/tree/main/integration_tests/kinesis-s3-source

[github-actions]

This PR has been open for 60 days with no activity. Could you please update the status? Feel free to ping a reviewer if you are waiting for review.