Fix `Q2grid` in `evolven3fit_new`
Created by: giacomomagni
Unfortunately Q2
values from eko.evolgrid
(eko=0.13.2
) are not sorted anymore, so we need this temporary fix to produce correct lhapdf
files, otherwise the interpolation is just crazy.
We should consider to fix this in ekobox
directly in the newer version ( @all_eko_autors ).
cc @niclaurenti, @andreab1997