DOC: Updated convert_dtype of Series.apply (#39941)
DOC: Updated convert_dtype of Series.apply (#39941)

* DOC: Updated convert_dtype of Series.apply

* DOC: Updated convert_dtype for pandas.Series.apply

* DOC: Updated convert_dtype for pandas.Series.apply

* Editing the doc

* only mention categorical as example

* updates

Co-authored-by: Marco Gorelli <6db2da83a2d1aabf2ecda2acf5ab66b030b8d1ef@protonmail.com>
pandas-dev/pandas,dsm054/pandas,datapythonista/pandas,gfyoung/pandas,datapythonista/pandas,jorisvandenbossche/pandas,gfyoung/pandas,dsm054/pandas,rs2/pandas,rs2/pandas,datapythonista/pandas,jorisvandenbossche/pandas,dsm054/pandas,pandas-dev/pandas,pandas-dev/pandas,jorisvandenbossche/pandas,dsm054/pandas,rs2/pandas,gfyoung/pandas,pandas-dev/pandas,gfyoung/pandas,datapythonista/pandas,dsm054/pandas,rs2/pandas,gfyoung/pandas,jorisvandenbossche/pandas