DOCS: fix docstring validation errors for pandas.Series
Partially addresses https://github.com/pandas-dev/pandas/issues/59592

Fixes:
-i "pandas.Series.str.match RT03" \
-i "pandas.Series.str.normalize RT03,SA01" \
-i "pandas.Series.str.repeat SA01" \
-i "pandas.Series.str.replace SA01" \

Thanks @ivonastojanovic 