DOC: Add more instructions for updating the whatsnew (#42427)
DOC: Add more instructions for updating the whatsnew (#42427)


pandas-dev/pandas,rs2/pandas,gfyoung/pandas,rs2/pandas,datapythonista/pandas,dsm054/pandas,datapythonista/pandas,gfyoung/pandas,jorisvandenbossche/pandas,datapythonista/pandas,jorisvandenbossche/pandas,gfyoung/pandas,pandas-dev/pandas,jorisvandenbossche/pandas,dsm054/pandas,dsm054/pandas,gfyoung/pandas,datapythonista/pandas,gfyoung/pandas,rs2/pandas,dsm054/pandas,jorisvandenbossche/pandas,dsm054/pandas,pandas-dev/pandas,pandas-dev/pandas,rs2/pandas