Replace pandas with narwhals #1788
Description
In holoviz/holoviews#6567 we replaced the backend with Narwhals. I think we should do the same in Lumen to better support ingestion of polars/pandas/duckdb/other tabular formats.
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In holoviz/holoviews#6567 we replaced the backend with Narwhals. I think we should do the same in Lumen to better support ingestion of polars/pandas/duckdb/other tabular formats.