Bug#956484: dvisvgm: Please, update to newer version 2.9.1

[Emilio J . Padrón]

Package: dvisvgm
Version: 2.9-1
Severity: wishlist

Dear Maintainer,

Version 2.9.1 is available and fixes a bug. It would be great to have it
in experimental as LaTeX-2020.

Regards and thank you for your work!
E