fonts/iosevka: Adjust style to match Nerd fonts 2.1

modules/fonts.nix

@@ -3,7 +3,7 @@ let
   iosevka-sbruder = pkgs.iosevka.override {
     privateBuildPlan = {
       family = "Iosevka sbruder";
-      spacing = "normal";
+      spacing = "term";
       serifs = "sans";
       no-cv-ss = false;
       export-glyph-names = true;
@@ -15,9 +15,10 @@ let
           capital-g = "toothless-rounded-serifless-hooked";
           four = "closed";
           six = "closed-contour";
-          eight = "two-circles";
           nine = "closed-contour";
           number-sign = "upright-tall";
+          at = "short";
+          cent = "open";
           percent = "dots";
           lig-ltgteq = "slanted";
         };
@@ -50,6 +51,15 @@ let
           css = "italic";
         };
       };
+
+      widths = {
+        # ensures that extended won’t get built
+        normal = {
+          shape = 500;
+          menu = 5;
+          css = "normal";
+        };
+      };
     };
 
     set = "sbruder";