REF: use Block.apply in cython_agg_blocks (#35854)
REF: use Block.apply in cython_agg_blocks (#35854)


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