enhancement(clickhouse sink): add UUID type support for ArrowStream

[benjamin-awd]

Summary

This PR adds explicit support for UUID type when sending data via the Clickhouse ArrowStream format. Currently, this type causes a hard error which causes schema fetching to fail.

Note: ClickHouse handles the String → UUID cast implicitly on insert.

Vector configuration

How did you test this PR?

Unit + integration tests

Change Type

• Bug fix
• New feature
• Dependencies
• Non-functional (chore, refactoring, docs)
• Performance

Is this a breaking change?

• Yes
• No

Does this PR include user facing changes?

• Yes. Please add a changelog fragment based on our guidelines.
• No. A maintainer will apply the no-changelog label to this PR.

References

Relates to #24661

Notes

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