Fix Rosenbrock convergence-order test flakiness (Rodas6P dts + Rodas5P+Krylov tol)#3528

ChrisRackauckas merged 2 commits intoSciML:masterSciML/OrdinaryDiffEq.jl:masterfrom

ChrisRackauckas-Claude:fix-rodas6p-order-regressionChrisRackauckas-Claude/OrdinaryDiffEq.jl:fix-rodas6p-order-regressionCopy head branch name to clipboard