[WIP] DOC: missing default and casing in minimum_spanning_tree (#14749)
[WIP] DOC: missing default and casing in minimum_spanning_tree (#14749)

Co-authored-by: Pamphile ROY <5382f7c16494af1b573fda9cacaa4290463e84b1@gmail.com>
anntzer/scipy,mdhaber/scipy,ilayn/scipy,mdhaber/scipy,anntzer/scipy,ilayn/scipy,rgommers/scipy,endolith/scipy,vigna/scipy,WarrenWeckesser/scipy,endolith/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,andyfaff/scipy,mdhaber/scipy,perimosocordiae/scipy,matthew-brett/scipy,zerothi/scipy,scipy/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,tylerjereddy/scipy,tylerjereddy/scipy,ilayn/scipy,Stefan-Endres/scipy,mdhaber/scipy,endolith/scipy,mdhaber/scipy,ilayn/scipy,vigna/scipy,WarrenWeckesser/scipy,matthew-brett/scipy,zerothi/scipy,rgommers/scipy,grlee77/scipy,anntzer/scipy,andyfaff/scipy,Stefan-Endres/scipy,endolith/scipy,rgommers/scipy,grlee77/scipy,anntzer/scipy,matthew-brett/scipy,andyfaff/scipy,tylerjereddy/scipy,Stefan-Endres/scipy,endolith/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,andyfaff/scipy,zerothi/scipy,zerothi/scipy,scipy/scipy,grlee77/scipy,vigna/scipy,rgommers/scipy,rgommers/scipy,WarrenWeckesser/scipy,vigna/scipy,tylerjereddy/scipy,perimosocordiae/scipy,scipy/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,andyfaff/scipy,matthew-brett/scipy,scipy/scipy,vigna/scipy,andyfaff/scipy,anntzer/scipy,anntzer/scipy,matthew-brett/scipy,scipy/scipy,perimosocordiae/scipy,scipy/scipy,zerothi/scipy,zerothi/scipy,ilayn/scipy,mdhaber/scipy,ilayn/scipy,Stefan-Endres/scipy,endolith/scipy,grlee77/scipy,grlee77/scipy