kotlin: 1.2.31 -> 1.2.40

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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/w1k17lqv3cc8sszxnmzg8g6lcc1pxkk8-kotlin-1.2.40/bin/kotlin -h’ got 0 exit code
- ran ‘/nix/store/w1k17lqv3cc8sszxnmzg8g6lcc1pxkk8-kotlin-1.2.40/bin/.kotlin-wrapped -h’ got 0 exit code
- found 1.2.40 with grep in /nix/store/w1k17lqv3cc8sszxnmzg8g6lcc1pxkk8-kotlin-1.2.40
- directory tree listing: https://gist.github.com/886158de7b36d9a61fcbc13d2638779a

pkgs/development/compilers/kotlin/default.nix

@@ -1,14 +1,14 @@
 { stdenv, fetchurl, makeWrapper, jre, unzip }:
 
 let
-  version = "1.2.31";
+  version = "1.2.40";
 in stdenv.mkDerivation rec {
   inherit version;
   name = "kotlin-${version}";
 
   src = fetchurl {
     url = "https://github.com/JetBrains/kotlin/releases/download/v${version}/kotlin-compiler-${version}.zip";
-    sha256 = "09l0vjff9kkiprf5irgq1sb9cils8plbzbrf55ajj8m5fyxcd6fs";
+    sha256 = "0n4na0ddnjgc573szk5bpd34v5gib71pah62xq7vwdf34q8mg61l";
   };
 
   propagatedBuildInputs = [ jre ] ;