DOC: Modify pandas.ExcelWriter default engine in docstring (#43359) (#43432)
DOC: Modify pandas.ExcelWriter default engine in docstring (#43359) (#43432)

* DOC: Modify pandas.ExcelWriter default engine in docstring (#43359)

* engine for xlsx : xlsxwriter instead of openpyxl
* correction to pass the doctest

* DOC: Modify pandas.ExcelWriter default engine in docstring (#43359)
Correction after after pull review

* engine for xlsx : xlsxwriter instead of openpyxl
* correction to pass the doctest

* DOC: Modify pandas.ExcelWriter default engine in docstring (#43359)
Correction to pass test
    * engine for xlsx : xlsxwriter instead of openpyxl
    * correction to pass the doctest
jorisvandenbossche/pandas,pandas-dev/pandas,rs2/pandas,dsm054/pandas,jorisvandenbossche/pandas,rs2/pandas,pandas-dev/pandas,jorisvandenbossche/pandas,datapythonista/pandas,jorisvandenbossche/pandas,pandas-dev/pandas,dsm054/pandas,dsm054/pandas,datapythonista/pandas,rs2/pandas,datapythonista/pandas,pandas-dev/pandas,rs2/pandas,dsm054/pandas,datapythonista/pandas,dsm054/pandas