eb-garamond: add bengsparks as maintainer

Changed files
+1
pkgs
by-name
eb
eb-garamond
+1
pkgs/by-name/eb/eb-garamond/package.nix
···
homepage = "http://www.georgduffner.at/ebgaramond/";
description = "Digitization of the Garamond shown on the Egenolff-Berner specimen";
maintainers = with maintainers; [
+
bengsparks
relrod
rycee
];