docs(table): fix single-column example in mo.ui.table docstring

[Oishe]

📝 Summary

Small docstring fix in mo.ui.table. The "single column of data" example was a duplicate of the example directly above it. This changes it to a flat list of strings matching the description.

Before

        Create a table from a single column of data:
        
        ```python
        table = mo.ui.table(
            data=[
                {"first_name": "Michael", "last_name": "Scott"},
                {"first_name": "Dwight", "last_name": "Schrute"},
            ],
            label="Users",
        )
        ```

After

        Create a table from a single column of data:
        
        ```python
        table = mo.ui.table(
            data=["Michael Scott", "Dwight Schrute"],
            label="Users",
        )
        ```

📋 Pre-Review Checklist

• (Small change, docs only) For large changes, or changes that affect the public API: this change was discussed or approved through an issue, on Discord, or the community discussions.
• Any AI generated code has been reviewed line-by-line by the human PR author, who stands by it.
• Video or media evidence is provided for any visual changes (optional).

✅ Merge Checklist

• I have read the contributor guidelines. I have read the CLA Document and I hereby sign the CLA.
• Documentation has been updated where applicable, including docstrings for API changes.
• (Small change, docs only) Tests have been added for the changes made.

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Project	Deployment	Actions	Updated (UTC)
marimo-docs	Ready	Preview, Comment	Jul 3, 2026 8:27pm

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[Oishe]

I have read the CLA Document and I hereby sign the CLA