fcitx-engines.hangul: 0.3.0 -> 0.3.1 (#43204)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/fcitx-hangul/versions.

These checks were done:

- built on NixOS
- fcitx result is not automatically checked, because some binaries gets stuck in daemons

pkgs/tools/inputmethods/fcitx-engines/fcitx-hangul/default.nix

···
 
 stdenv.mkDerivation rec {
   name = "fcitx-hangul-${version}";
-  version = "0.3.0";
+  version = "0.3.1";
 
   src = fetchurl {
     url = "http://download.fcitx-im.org/fcitx-hangul/${name}.tar.xz";
-    sha256 = "1jq78nczliw6pnhfac8hspffybrry6syk17y0wwcq05j3r3nd2lp";
+    sha256 = "0ds4071ljq620w7vnprm2jl8zqqkw7qsxvzbjapqak4jarczvmbd";
   };
 
   nativeBuildInputs = [ pkgconfig ];