pythonPackages.thrift: fix build

Adds missing `six` dependency to the build inputs.

See also https://hydra.nixos.org/build/86094652

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

@@ -1,6 +1,7 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
+, six
 }:
 
 buildPythonPackage rec {
@@ -12,6 +13,8 @@ buildPythonPackage rec {
     sha256 = "7d59ac4fdcb2c58037ebd4a9da5f9a49e3e034bf75b3f26d9fe48ba3d8806e6b";
   };
 
+  propagatedBuildInputs = [ six ];
+
   # No tests. Breaks when not disabling.
   doCheck = false;