z3, python310Packages.deal-solver: pass python dependencies

Z3 Python bindings import pkg_resources, which comes from setuptools.
deal-solver used to pick this up from astroid, but the latest version of
astroid removed this. Instead, let's pass this dependency explicitly
from the Z3 derivation.

pkgs/development/python-modules/deal-solver/default.nix

@@ -41,7 +41,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     z3
     astroid
-  ];
+  ] ++ z3.requiredPythonModules;
 
   checkInputs = [
     pytestCheckHook