python36Packages.chameleon: 2.25 -> 3.5

Semi-automatic update generated by
https://github.com/ryantm/nixpkgs-update tools. This update was made
based on information from
https://repology.org/metapackage/python3.6-chameleon/versions

pkgs/development/python-modules/chameleon/default.nix

···
 
 buildPythonPackage rec {
   pname = "Chameleon";
-  version = "2.25";
+  version = "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0va95cml7wfjpvgj3dc9xdn8psyjh3zbk6v51b0hcqv2fzh409vb";
+    sha256 = "1a83jf211mqjhgbd3abqyrn4mp4vb077ql8fydmv80xg3whrf3yb";
   };
 
   meta = with stdenv.lib; {