fix(stream): switch jdbc_pg_to_native sink

[kwannoel]

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What's changed and what's your intention?

It didn't switch the connector type previously. Closes #21525.
We also fix the duplicate entry error for on conflict do update, by just batching at most one row at a time.

Checklist

• I have written necessary rustdoc comments.
• I have added necessary unit tests and integration tests.
• I have added test labels as necessary.
• I have added fuzzing tests or opened an issue to track them.
• My PR contains breaking changes.
• My PR changes performance-critical code, so I will run (micro) benchmarks and present the results.
• I have checked the Release Timeline and Currently Supported Versions to determine which release branches I need to cherry-pick this PR into.

Documentation

• My PR needs documentation updates.

Release note

[kwannoel]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• fix(stream): switch jdbc_pg_to_native sink #21543 👈 (View in Graphite)
• fix(connector): use the right schema for delete parameters #21566
• fix(connector): use insert on conflict do update for postgres sink #21523
• main

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[kwannoel]

A

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite. Learn more

* **[fix(stream): switch `jdbc_pg_to_native` sink #21543](https://github.com/risingwavelabs/risingwave/pull/21543)** [<img alt="Graphite" width="10px" height="10px" src="https://camo.githubusercontent.com/365768b8448b91ea2b5fe3f944937f2edadca0c3fcbf75ad736e4f514a26889c/68747470733a2f2f7374617469632e67726170686974652e6465762f67726170686974652d33327833322d626c61636b2e706e67">](https://app.graphite.dev/github/pr/risingwavelabs/risingwave/21543?utm_source=stack-comment-icon) 👈 [(View in Graphite)](https://app.graphite.dev/github/pr/risingwavelabs/risingwave/21543?utm_source=stack-comment-view-in-graphite)

* **[fix(connector): use the right schema for delete parameters #21566](https://github.com/risingwavelabs/risingwave/pull/21566)** [<img alt="Graphite" width="10px" height="10px" src="https://camo.githubusercontent.com/365768b8448b91ea2b5fe3f944937f2edadca0c3fcbf75ad736e4f514a26889c/68747470733a2f2f7374617469632e67726170686974652e6465762f67726170686974652d33327833322d626c61636b2e706e67">](https://app.graphite.dev/github/pr/risingwavelabs/risingwave/21566?utm_source=stack-comment-icon)

* **[fix(connector): use `insert on conflict do update` for postgres sink #21523](https://github.com/risingwavelabs/risingwave/pull/21523)** [<img alt="Graphite" width="10px" height="10px" src="https://camo.githubusercontent.com/365768b8448b91ea2b5fe3f944937f2edadca0c3fcbf75ad736e4f514a26889c/68747470733a2f2f7374617469632e67726170686974652e6465762f67726170686974652d33327833322d626c61636b2e706e67">](https://app.graphite.dev/github/pr/risingwavelabs/risingwave/21523?utm_source=stack-comment-icon)

* `main`

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All 3 PRs got approved. I'll just merge the top-most PR in the stack directly to main, and close the rest.
Makes it easier to cherry-pick into release branches.

[xiangjinwu]

Makes it easier to cherry-pick into release branches.

This is why I wanted to reduce our cherry-pick workload. It is encouraging monolithic commits cc @hzxa21

👍 on splitting it into 3 PRs despite it is going to be 1 merge commit