python312Packages.cython: 0.29.36 -> 3.0.9

Folds the cython_3 attribute into the primary cython attribute and
migrates all packages from the versioned attribute.

The old version will be provided through the cython_0 attribute in an
effort to phase it out.

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

@@ -4,7 +4,7 @@
 , pythonOlder
 
 # build-system
-, cython_3
+, cython
 , setuptools
 
 # dependencies
@@ -39,7 +39,7 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [
     setuptools
-    cython_3
+    cython
   ];
 
   propagatedBuildInputs = [