fira-code: 2 -> 3

Changelog: https://github.com/tonsky/FiraCode/releases/tag/3

pkgs/data/fonts/fira-code/default.nix

@@ -1,7 +1,7 @@
 { stdenv, fetchzip }:
 
 let
-  version = "2";
+  version = "3";
 in fetchzip {
   name = "fira-code-${version}";
 
@@ -13,10 +13,10 @@ in fetchzip {
     unzip -j $downloadedFile \*.ttf -d $out/share/fonts/truetype
   '';
 
-  sha256 = "0kg9lrrjr6wrd4r96y0rnslnaw2276558a369qdvalwb3q1gi8d2";
+  sha256 = "19kcqqd6c61v137q88zsvf2ra154n009sbqh6zs7l8f7r5bbipj2";
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/tonsky/FiraCode;
+    homepage = "https://github.com/tonsky/FiraCode";
     description = "Monospace font with programming ligatures";
     longDescription = ''
       Fira Code is a monospace font extending the Fira Mono font with