Backport PR #44356 on branch 1.3.x (Fixed regression in Series.duplicated for categorical dtype with bool categories)#44402

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simonjayhawkins merged 1 commit intopandas-dev:1.3.xfrom

phofl:backport_series_regression

Nov 12, 2021

Commits on Nov 12, 2021

Fixed regression in Series.duplicated for categorical dtype with bool categories (#44356)
phofl
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