fix: fix type-instability of `_get_root_indp`#1175

ChrisRackauckas merged 1 commit intoSciML:masterSciML/DiffEqBase.jl:masterfrom

AayushSabharwal:as/fix-jet-optAayushSabharwal/DiffEqBase.jl:as/fix-jet-optCopy head branch name to clipboard