DOC: fix RT03 for pandas.core.groupby.DataFrameGroupBy.hist#59870

rhshadrach merged 2 commits intopandas-dev:mainpandas-dev/pandas:mainfrom

tuhinsharma121:pandas.core.groupby.DataFrameGroupBy.histtuhinsharma121/pandas:pandas.core.groupby.DataFrameGroupBy.histCopy head branch name to clipboard