clean up positional-args deprecation warnings in whatsnew (#41908)
clean up positional-args deprecation warnings in whatsnew (#41908)


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