MAINT: Add new deprecation date.
MAINT: Add new deprecation date.

[ci skip]
anntzer/numpy,abalkin/numpy,numpy/numpy,jorisvandenbossche/numpy,jakirkham/numpy,simongibbons/numpy,seberg/numpy,jorisvandenbossche/numpy,simongibbons/numpy,pbrod/numpy,MSeifert04/numpy,rgommers/numpy,endolith/numpy,charris/numpy,grlee77/numpy,WarrenWeckesser/numpy,grlee77/numpy,jakirkham/numpy,mhvk/numpy,madphysicist/numpy,WarrenWeckesser/numpy,rgommers/numpy,mhvk/numpy,pdebuyl/numpy,madphysicist/numpy,grlee77/numpy,numpy/numpy,numpy/numpy,mattip/numpy,seberg/numpy,endolith/numpy,seberg/numpy,mattip/numpy,grlee77/numpy,pdebuyl/numpy,rgommers/numpy,mhvk/numpy,jorisvandenbossche/numpy,jakirkham/numpy,charris/numpy,WarrenWeckesser/numpy,WarrenWeckesser/numpy,mhvk/numpy,mattip/numpy,jorisvandenbossche/numpy,MSeifert04/numpy,madphysicist/numpy,pbrod/numpy,MSeifert04/numpy,abalkin/numpy,MSeifert04/numpy,jakirkham/numpy,grlee77/numpy,mhvk/numpy,simongibbons/numpy,seberg/numpy,WarrenWeckesser/numpy,endolith/numpy,abalkin/numpy,pdebuyl/numpy,jakirkham/numpy,anntzer/numpy,simongibbons/numpy,MSeifert04/numpy,pbrod/numpy,pbrod/numpy,anntzer/numpy,charris/numpy,rgommers/numpy,mattip/numpy,anntzer/numpy,endolith/numpy,charris/numpy,pdebuyl/numpy,numpy/numpy,madphysicist/numpy,simongibbons/numpy,jorisvandenbossche/numpy,pbrod/numpy,madphysicist/numpy