tuxguitar: 1.6.5 -> 1.6.6

pkgs/by-name/tu/tuxguitar/package.nix

···
 }:
 
 stdenv.mkDerivation (finalAttrs: {
-  version = "1.6.5";
+  version = "1.6.6";
   pname = "tuxguitar";
 
   src = fetchurl {
     url = "https://github.com/helge17/tuxguitar/releases/download/${finalAttrs.version}/tuxguitar-${finalAttrs.version}-linux-swt-amd64.tar.gz";
-    hash = "sha256-wxiLqNc20/AROZZWghzbrUz/VK++fEIKyP5ipomy1Po=";
+    hash = "sha256-kfPk+IIg5Q4Fc9HMS0kxxCarlbJjVKluIvz8KpDjJLM=";
   };
 
   nativeBuildInputs = [