python3Packages.zconfig: 4.2 -> 4.3

https://github.com/zopefoundation/ZConfig/blob/4.3/CHANGES.rst

This commit was automatically generated using update-python-libraries.

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

@@ -13,20 +13,16 @@
 
 buildPythonPackage rec {
   pname = "zconfig";
-  version = "4.2";
+  version = "4.3";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-oOS1J3xM7oBgzjNaV4rEWPgsJArpaxZlkgDbxNmL/M4=";
+    hash = "sha256-RyIz5RX6Kb5shz54uKK0UMLNJdATPLRZYIN/M/GrT+M=";
   };
 
   patches = lib.optional stdenv.hostPlatform.isMusl ./remove-setlocale-test.patch;
 
-  postPatch = ''
-    substituteInPlace pyproject.toml --replace-fail 'setuptools <= 75.6.0' 'setuptools'
-  '';
-
   build-system = [ setuptools ];
 
   buildInputs = [