yed: 3.20.1 -> 3.21.1

old src 404s

pkgs/applications/graphics/yed/default.nix

···
 
 stdenv.mkDerivation rec {
   pname = "yEd";
-  version = "3.20.1";
+  version = "3.21.1";
 
   src = fetchzip {
     url = "https://www.yworks.com/resources/yed/demo/${pname}-${version}.zip";
-    sha256 = "0sd73s700f3gqq5zq1psrqjg6ff2gv49f8vd37v6bv65vdxqxryq";
+    sha256 = "1jw28hkd7p0n660gid8yh5y0kdcz6ycn4hsgjlf0pq48x9kv6w0c";
   };
 
   nativeBuildInputs = [ makeWrapper unzip wrapGAppsHook ];