In this mwe, the first décimal separator is not bold, how to fix this?
\documentclass{article}
\usepackage{siunitx}
\sisetup{
unit-mode = text,
locale=FR,
detect-all,
inter-unit-product = \ensuremath{{}\cdot{}},
group-minimum-digits=4,
text-angstrom={Å},math-angstrom={\text{Å}},
text-micro=\ensuremath{\othermu},
math-micro=\othermu,
}
\begin{document}
$\num[math-rm=\mathbf]{.1}$ \textbf{0,1} \textbf{\SI{.1}{\km}}
\end{document}