fix: json extract using wildcard

[zhangyue19921010]

Support

        projected = dataset.to_table(
            columns={
                "tags": "json_extract(data, '$.tags[*]')",
                "prices": "json_extract(data, '$.items[*].price')",
            }
        )

[claude]

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[codecov]

Codecov Report

❌ Patch coverage is 85.96491% with 8 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
rust/lance-datafusion/src/udf/json.rs	85.96%	7 Missing and 1 partial ⚠️

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[Xuanwo]

Thank you for working on this!