BUG: Series.round with pd.NA no longer raises; coerce object+NA to nullable float and round; add test (#61712)#62081

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CyberSully wants to merge 3 commits intopandas-dev:mainfrom

CyberSully:fix-round-object-na

Commits on Aug 9, 2025

BUG: Series.round with pd.NA no longer raises; coerce object+NA to nullable float and round; add test (#61712)
CyberSully
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Fix Series.round TypeError on object dtype with pd.NA (GH#61712) + tests + whatsnew
CyberSully
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Series.round: only coerce object dtype when pd.NA present; preserve legacy TypeError otherwise (GH#61712)
CyberSully
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