hydrogen: 1.2.4 -> 1.2.6

pkgs/by-name/hy/hydrogen/package.nix

···
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "hydrogen";
-  version = "1.2.4";
+  version = "1.2.6";
 
   src = fetchFromGitHub {
     owner = "hydrogen-music";
     repo = "hydrogen";
     tag = finalAttrs.version;
-    hash = "sha256-OMd8t043JVfMEfRjLdcE/R/4ymGp2yennkCjyX75r8Q=";
+    hash = "sha256-JK4AAGMby2S2fh9bmgb2mSHBgKfUQ481GDjAvOdSnjs=";
   };
 
   nativeBuildInputs = [