python3Packages.latexify-py: disable for python 3.14+

AttributeError: module 'ast' has no attribute 'Num'

https://docs.python.org/3/whatsnew/3.14.html#id9

pkgs/development/python-modules/latexify-py/default.nix

@@ -1,6 +1,7 @@
 {
   lib,
   buildPythonPackage,
+  pythonAtLeast,
   dill,
   fetchFromGitHub,
   hatchling,
@@ -12,6 +13,10 @@ buildPythonPackage rec {
   version = "0.4.4";
   pyproject = true;
 
+  # AttributeError: module 'ast' has no attribute 'Num'
+  # https://docs.python.org/3/whatsnew/3.14.html#id9
+  disabled = pythonAtLeast "3.14";
+
   src = fetchFromGitHub {
     owner = "google";
     repo = "latexify_py";