metabase: 0.30.3 -> 0.30.4

Semi-automatic update generated by
https://github.com/ryantm/nixpkgs-update tools. This update was made
based on information from
https://repology.org/metapackage/metabase/versions

pkgs/servers/metabase/default.nix

···
 
 stdenv.mkDerivation rec {
   name = "metabase-${version}";
-  version = "0.30.3";
+  version = "0.30.4";
 
   src = fetchurl {
     url = "http://downloads.metabase.com/v${version}/metabase.jar";
-    sha256 = "1w8886xkg88r8dla4l9kpxw2rwwjx23y1dk5rgfgh1vcw8da8cn4";
+    sha256 = "0mvyl5v798qwdydqsjjq94ihfwi62kq4gprxjg3rcckmjdyx2ycs";
   };
 
   nativeBuildInputs = [ makeWrapper ];