Update numpydoc dependency (#5694)
Update numpydoc dependency (#5694)

* Pin to latest numpydoc release

ContinuumIO/dask,jakirkham/dask,mrocklin/dask,ContinuumIO/dask,blaze/dask,dask/dask,dask/dask,mrocklin/dask,jakirkham/dask,blaze/dask