feat: add `DataFrame` and `Series` `to_polars` #3942

Job	Run time
altair (3.12, ubuntu-latest)	2m 2s
marimo (3.12, ubuntu-latest, core,optional)	2m 9s
scikit-lego (3.11, ubuntu-latest)	3m 47s
shiny (3.12, ubuntu-latest)	3m 52s
tea-tasting (3.12, ubuntu-latest)	1m 33s
hierarchicalforecast (3.12, ubuntu-latest)	1m 47s
plotly (3.12, ubuntu-latest)	1m 43s
tubular (3.12, ubuntu-latest)	55s
	17m 48s

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