itk: 4.12.2 -> 4.13.0

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

This update was made based on information from https://repology.org/metapackage/itk/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 4.13.0 with grep in /nix/store/9dfpbhp02y597y9zw3xvdcjsb8w3gqjv-itk-4.13.0
- directory tree listing: https://gist.github.com/4a6da5cc90a5718caa480eba957def8f

pkgs/development/libraries/itk/default.nix

@@ -1,11 +1,11 @@
 { stdenv, fetchurl, fetchpatch, cmake, libX11, libuuid, xz, vtk }:
 
 stdenv.mkDerivation rec {
-  name = "itk-4.12.2";
+  name = "itk-4.13.0";
 
   src = fetchurl {
-    url = mirror://sourceforge/itk/InsightToolkit-4.12.2.tar.xz;
-    sha256 = "1qw9mxbh083siljygahl4gdfv91xvfd8hfl7ghwii19f60xrvn2w";
+    url = mirror://sourceforge/itk/InsightToolkit-4.13.0.tar.xz;
+    sha256 = "09d1gmqx3wbdfgwf7r91r12m2vknviv0i8wxwh2q9w1vrpizrczy";
   };
 
   cmakeFlags = [