protobuf: 29.3 -> 29.4 (#391396)

pkgs/development/libraries/protobuf/29.nix

···
 
 callPackage ./generic.nix (
   {
-    version = "29.3";
-    hash = "sha256-zdOBzLdN0ySrdFTF/X/NYI57kJ1ZFyoIl1/Qtgh/VkI=";
+    version = "29.4";
+    hash = "sha256-02MeQ8+1dqQI1B3szkdsz3dts3YmtwXK7gkriUtBEbU=";
   }
   // args
 )

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

···
 
 buildPythonPackage rec {
   pname = "protobuf";
-  version = "5.29.3";
+  version = "5.29.4";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-XaD0HtrxF73jFkBLrRpIbLTt7fjkpUiRKW9kjo4HZiA=";
+    hash = "sha256-Tx3815l7Me+PU+yCeB/0NKKL9x2RAt3eFNB2rc/HjJk=";
   };
 
   build-system = [ setuptools ];