duktape: 2.2.0 -> 2.2.1

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

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

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 2.2.1 with grep in /nix/store/8clll9a9f797fd0vxz3vmx641mpqzkkx-duktape-2.2.1
- directory tree listing: https://gist.github.com/6049cc6fc921f7fa2efb27f86c1c7ca6

pkgs/development/interpreters/duktape/default.nix

@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "duktape-${version}";
-  version = "2.2.0";
+  version = "2.2.1";
   src = fetchurl {
     url = "http://duktape.org/duktape-${version}.tar.xz";
-    sha256 = "050csp065ll67dck94s0vdad5r5ck4jwsz1fn1y0fcvn88325xv2";
+    sha256 = "1wp7mpkhizknq72ivdbkzps4radi1daqzjcjp1i54c2k4pnjxgis";
   };
 
   buildPhase = ''