pkg-pferd: 3.5.1 -> 3.5.2

This change is necessary for PFERD to work with ILIAS v8.

pkgs/tools/misc/pferd/default.nix

···
 
 python3Packages.buildPythonApplication rec {
   pname = "pferd";
-  version = "3.5.1";
+  version = "3.5.2";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "Garmelon";
     repo = "PFERD";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-NNQ7yB0JPVDSWMNxkpvEK/meLa3Db78qxUDDTJa6YgM=";
+    sha256 = "sha256-qN4GtQhiQpXZIagtphcn+oSYXroA9kk7E34IKoKMu7c=";
   };
 
   nativeBuildInputs = with python3Packages; [