Add pybind11 to the other part of quickstart guides
Add pybind11 to the other part of quickstart guides

In 10286, I forgot to add pybind11 in two places.
Eric89GXL/scipy,andyfaff/scipy,lhilt/scipy,lhilt/scipy,Eric89GXL/scipy,jamestwebber/scipy,aarchiba/scipy,aeklant/scipy,jamestwebber/scipy,mdhaber/scipy,andyfaff/scipy,scipy/scipy,perimosocordiae/scipy,person142/scipy,tylerjereddy/scipy,e-q/scipy,anntzer/scipy,Eric89GXL/scipy,ilayn/scipy,matthew-brett/scipy,andyfaff/scipy,zerothi/scipy,mdhaber/scipy,arokem/scipy,grlee77/scipy,person142/scipy,WarrenWeckesser/scipy,person142/scipy,arokem/scipy,rgommers/scipy,vigna/scipy,anntzer/scipy,aeklant/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,nmayorov/scipy,mdhaber/scipy,zerothi/scipy,Stefan-Endres/scipy,rgommers/scipy,andyfaff/scipy,aarchiba/scipy,pizzathief/scipy,person142/scipy,nmayorov/scipy,tylerjereddy/scipy,aeklant/scipy,WarrenWeckesser/scipy,gertingold/scipy,anntzer/scipy,e-q/scipy,jor-/scipy,perimosocordiae/scipy,zerothi/scipy,WarrenWeckesser/scipy,vigna/scipy,vigna/scipy,andyfaff/scipy,Stefan-Endres/scipy,rgommers/scipy,endolith/scipy,endolith/scipy,grlee77/scipy,Eric89GXL/scipy,scipy/scipy,ilayn/scipy,lhilt/scipy,pizzathief/scipy,Stefan-Endres/scipy,gertingold/scipy,e-q/scipy,arokem/scipy,grlee77/scipy,anntzer/scipy,jor-/scipy,lhilt/scipy,aarchiba/scipy,matthew-brett/scipy,person142/scipy,ilayn/scipy,grlee77/scipy,gertingold/scipy,matthew-brett/scipy,Eric89GXL/scipy,vigna/scipy,zerothi/scipy,jor-/scipy,scipy/scipy,anntzer/scipy,rgommers/scipy,ilayn/scipy,endolith/scipy,nmayorov/scipy,Eric89GXL/scipy,matthew-brett/scipy,mdhaber/scipy,nmayorov/scipy,zerothi/scipy,anntzer/scipy,pizzathief/scipy,pizzathief/scipy,perimosocordiae/scipy,nmayorov/scipy,tylerjereddy/scipy,jamestwebber/scipy,e-q/scipy,perimosocordiae/scipy,endolith/scipy,scipy/scipy,aarchiba/scipy,Stefan-Endres/scipy,andyfaff/scipy,jor-/scipy,mdhaber/scipy,vigna/scipy,aeklant/scipy,zerothi/scipy,tylerjereddy/scipy,ilayn/scipy,endolith/scipy,arokem/scipy,scipy/scipy,pizzathief/scipy,jamestwebber/scipy,rgommers/scipy,mdhaber/scipy,jor-/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,ilayn/scipy,matthew-brett/scipy,tylerjereddy/scipy,Stefan-Endres/scipy,scipy/scipy,arokem/scipy,gertingold/scipy,gertingold/scipy,e-q/scipy,jamestwebber/scipy,endolith/scipy,grlee77/scipy,lhilt/scipy,aeklant/scipy,WarrenWeckesser/scipy,aarchiba/scipy